US Bridges

700 Road over Trib N Fork Prairie Dog

PoorPosted for load

Decatur County, Kansas · 2.3N 10.1W of Dresden · Structure no. 000200471003468

Built
1947
78 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

700 Road over Trib N Fork Prairie Dog is a wood or timber stringer/multi-beam or girder carrying 700 Road over Trib N Fork Prairie Dog in Decatur County, Kansas. It was built in 1947, so it is 78 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 10 vehicles a day, projected to reach 20 by 2043. The structure is 31 ft (9.6 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries700 Road
CrossesTrib N Fork Prairie Dog
Location2.3N 10.1W of Dresden
RouteCounty Highway 0
StateKansas
Coordinates39.65712, -100.60998
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.3 US tons
Inventory rating15.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span15 ft (4.5 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2020)
Projected traffic20 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 700 Road over Trib N Fork Prairie Dog built?

It was built in 1947, making it 78 years old in 2025.

What condition is 700 Road over Trib N Fork Prairie Dog 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 October 2023.

How much traffic does 700 Road over Trib N Fork Prairie Dog carry?

About 10 vehicles per day (2020 count).

How long is 700 Road over Trib N Fork Prairie Dog?

The structure is 31 ft (9.6 m) long with a longest span of 15 ft (4.5 m) and a deck 20 ft wide.

Who owns 700 Road over Trib N Fork Prairie Dog?

It is owned by the County Highway Agency.