US Bridges

310 ST over Trib of Nodaway Rv

Fair

Nodaway County, Missouri · S 7 T 63 N R 37 W · Structure no. 30753

Built
2004
21 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

310 ST over Trib of Nodaway Rv is a steel stringer/multi-beam or girder carrying 310 ST over Trib of Nodaway Rv in Nodaway County, Missouri. It was built in 2004, so it is 21 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 75 ft (22.9 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries310 ST
CrossesTrib of Nodaway Rv
LocationS 7 T 63 N R 37 W
RouteCounty Highway 845
Coordinates40.27515, -95.11856
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span74 ft (22.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 310 ST over Trib of Nodaway Rv built?

It was built in 2004, making it 21 years old in 2025.

What condition is 310 ST over Trib of Nodaway Rv in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does 310 ST over Trib of Nodaway Rv carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 310 ST over Trib of Nodaway Rv?

The structure is 75 ft (22.9 m) long with a longest span of 74 ft (22.6 m) and a deck 25 ft wide.

Who owns 310 ST over Trib of Nodaway Rv?

It is owned by the County Highway Agency.