US Bridges

350 ST over Jenkins CR

Fair

Nodaway County, Missouri · S 33 T 63 N R 36 W · Structure no. 14923

Built
1983
42 years old
Condition
Fair
inspected January 2025
Type
Girder and Floorbeam System
Steel
Length
75 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

350 ST over Jenkins CR is a steel girder and floorbeam system carrying 350 ST over Jenkins CR in Nodaway County, Missouri. It was built in 1983, so it is 42 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 5 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 75 ft (22.9 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries350 ST
CrossesJenkins CR
LocationS 33 T 63 N R 36 W
RouteCounty Highway 790
CountyNodaway County
StateMissouri
Coordinates40.21622, -94.96506
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating15.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadOther
Structure length75 ft (22.9 m)
Longest span57 ft (17.5 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 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 350 ST over Jenkins CR built?

It was built in 1983, making it 42 years old in 2025.

What condition is 350 ST over Jenkins CR 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 350 ST over Jenkins CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 350 ST over Jenkins CR?

The structure is 75 ft (22.9 m) long with a longest span of 57 ft (17.5 m) and a deck 19 ft wide.

Who owns 350 ST over Jenkins CR?

It is owned by the County Highway Agency.