US Bridges

390 ST over Br Arapahoe CR

Good

Nodaway County, Missouri · S 23 T 62 N R 36 W · Structure no. 34457

Built
2012
13 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

390 ST over Br Arapahoe CR is a steel stringer/multi-beam or girder carrying 390 ST over Br Arapahoe CR in Nodaway County, Missouri. It was built in 2012, so it is 13 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

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 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries390 ST
CrossesBr Arapahoe CR
LocationS 23 T 62 N R 36 W
RouteCounty Highway 908
Coordinates40.15789, -94.92786
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 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 closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 390 ST over Br Arapahoe CR built?

It was built in 2012, making it 13 years old in 2025.

What condition is 390 ST over Br Arapahoe CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does 390 ST over Br Arapahoe CR carry?

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

How long is 390 ST over Br Arapahoe CR?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 25 ft wide.

Who owns 390 ST over Br Arapahoe CR?

It is owned by the County Highway Agency.