US Bridges

NW Wolf CR RD over Lit Third Fk

Fair

DeKalb County, Missouri · S 28 T 59 N R 32 W · Structure no. 21408

Built
1998
27 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

NW Wolf CR RD over Lit Third Fk is a steel stringer/multi-beam or girder carrying NW Wolf CR RD over Lit Third Fk in DeKalb County, Missouri. It was built in 1998, so it is 27 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 6 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 72 ft (21.9 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNW Wolf CR RD
CrossesLit Third Fk
LocationS 28 T 59 N R 32 W
RouteCounty Highway 305
Coordinates39.90054, -94.49934
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.
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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating58.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 NW Wolf CR RD over Lit Third Fk built?

It was built in 1998, making it 27 years old in 2025.

What condition is NW Wolf CR RD over Lit Third Fk 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 NW Wolf CR RD over Lit Third Fk carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NW Wolf CR RD over Lit Third Fk?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 18 ft wide.

Who owns NW Wolf CR RD over Lit Third Fk?

It is owned by the County Highway Agency.