US Bridges

W 375 ST over Trib of Noble Br

Fair

Harrison County, Missouri · S 17 T 62 N R 28 W · Structure no. 25149

Built
1956
69 years old, rebuilt 1987
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

W 375 ST over Trib of Noble Br is a steel stringer/multi-beam or girder carrying W 375 ST over Trib of Noble Br in Harrison County, Missouri. It was built in 1956 and reconstructed in 1987, so it is 69 years old, older 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 23 ft (7 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW 375 ST
CrossesTrib of Noble Br
LocationS 17 T 62 N R 28 W
RouteCounty Highway 641
Coordinates40.17111, -94.08415
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.7 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W 375 ST over Trib of Noble Br built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1987.

What condition is W 375 ST over Trib of Noble Br 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 February 2024.

How much traffic does W 375 ST over Trib of Noble Br carry?

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

How long is W 375 ST over Trib of Noble Br?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.

Who owns W 375 ST over Trib of Noble Br?

It is owned by the County Highway Agency.