US Bridges

180th ST over Trib of 102 Rvr

Poor

Nodaway County, Missouri · S 9 T 65 N R 35 W · Structure no. 12979

Built
1990
35 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

180th ST over Trib of 102 Rvr is a steel stringer/multi-beam or girder carrying 180th ST over Trib of 102 Rvr in Nodaway County, Missouri. It was built in 1990, so it is 35 years old, younger than the Missouri average of 45.1 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 115 by 2044. The structure is 37 ft (11.3 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries180th ST
CrossesTrib of 102 Rvr
LocationS 9 T 65 N R 35 W
RouteCounty Highway 251
CountyNodaway County
StateMissouri
Coordinates40.45916, -94.83347
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating60.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic115 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$223,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 180th ST over Trib of 102 Rvr built?

It was built in 1990, making it 35 years old in 2025.

What condition is 180th ST over Trib of 102 Rvr 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 December 2024.

How much traffic does 180th ST over Trib of 102 Rvr carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 180th ST over Trib of 102 Rvr?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 20 ft wide.

Who owns 180th ST over Trib of 102 Rvr?

It is owned by the County Highway Agency.