US Bridges

W 360 ST over Wolf Den Br

Fair

Harrison County, Missouri · S 7 T 62 N R 29 W · Structure no. 24755

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

W 360 ST over Wolf Den Br is a steel stringer/multi-beam or girder carrying W 360 ST over Wolf Den Br in Harrison County, Missouri. It was built in 1999, so it is 26 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 45 ft (13.7 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesW 360 ST
CrossesWolf Den Br
LocationS 7 T 62 N R 29 W
RouteCounty Highway 546
Coordinates40.19088, -94.20536
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 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 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$249,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W 360 ST over Wolf Den Br built?

It was built in 1999, making it 26 years old in 2025.

What condition is W 360 ST over Wolf Den 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 360 ST over Wolf Den Br carry?

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

How long is W 360 ST over Wolf Den Br?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 16 ft wide.

Who owns W 360 ST over Wolf Den Br?

It is owned by the County Highway Agency.