US Bridges

NW Crabill RD over Lit Third Fk

PoorPosted for load

DeKalb County, Missouri · S 15 T 59 N R 32 W · Structure no. 21259

Built
1920
105 years old
Condition
Poor
inspected January 2025
Type
Truss - Thru
Steel
Length
38 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

NW Crabill RD over Lit Third Fk is a steel truss - thru carrying NW Crabill RD over Lit Third Fk in DeKalb County, Missouri. It was built in 1920, so it is 105 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 38 ft (11.6 m) long and 13 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW Crabill RD
CrossesLit Third Fk
LocationS 15 T 59 N R 32 W
RouteCounty Highway 298
Coordinates39.93338, -94.48965
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span38 ft (11.6 m)
Deck width13 ft (4 m)
Roadway width11 ft (3.4 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 closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Crabill RD over Lit Third Fk built?

It was built in 1920, making it 105 years old in 2025.

What condition is NW Crabill RD over Lit Third Fk in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does NW Crabill RD over Lit Third Fk carry?

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

How long is NW Crabill RD over Lit Third Fk?

The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 13 ft wide.

Who owns NW Crabill RD over Lit Third Fk?

It is owned by the County Highway Agency.