US Bridges

W 385 ST over Wolf Den Br

Fair

Harrison County, Missouri · S 19 T 62 N R 29 W · Structure no. 25021

Built
1929
96 years old, rebuilt 1984
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

W 385 ST over Wolf Den Br is a steel stringer/multi-beam or girder carrying W 385 ST over Wolf Den Br in Harrison County, Missouri. It was built in 1929 and reconstructed in 1984, so it is 96 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 29 ft (8.8 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesW 385 ST
CrossesWolf Den Br
LocationS 19 T 62 N R 29 W
RouteCounty Highway 599
CountyHarrison County
StateMissouri
Coordinates40.15669, -94.20776
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.
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 geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length29 ft (8.8 m)
Longest span28 ft (8.4 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 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 closed0.6 mi (1 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 W 385 ST over Wolf Den Br built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1984.

What condition is W 385 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 385 ST over Wolf Den Br carry?

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

How long is W 385 ST over Wolf Den Br?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.4 m) and a deck 16 ft wide.

Who owns W 385 ST over Wolf Den Br?

It is owned by the County Highway Agency.