US Bridges

Local T-723-1 over Trib. to Missouri River

PoorPosted for load

Doniphan County, Kansas · 4.0N 3.9E of Troy · Structure no. 000221065903205

Built
1965
60 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
5
2005 count
Owner
County
County Highway Agency

About this bridge

Local T-723-1 over Trib. to Missouri River is a steel stringer/multi-beam or girder carrying Local T-723-1 over Trib. to Missouri River in Doniphan County, Kansas. It was built in 1965, so it is 60 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2043. The structure is 32 ft (9.8 m) long and 18 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesLocal T-723-1
CrossesTrib. to Missouri River
Location4.0N 3.9E of Troy
RouteCounty Highway 0
CountyDoniphan County
StateKansas
Coordinates39.849, -95.02296
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating28.7 US tons
Inventory rating17.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2005)
Projected traffic5 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$115,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local T-723-1 over Trib. to Missouri River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Local T-723-1 over Trib. to Missouri River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does Local T-723-1 over Trib. to Missouri River carry?

About 5 vehicles per day (2005 count).

How long is Local T-723-1 over Trib. to Missouri River?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns Local T-723-1 over Trib. to Missouri River?

It is owned by the County Highway Agency.