US Bridges

NW Glenwood DR over Lit Third Fk

Fair

DeKalb County, Missouri · S 16 T 59 N R 32 W · Structure no. 21341

Built
1987
38 years old, rebuilt 1996
Condition
Fair
inspected January 2025
Type
Girder and Floorbeam System
Steel
Length
52 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

NW Glenwood DR over Lit Third Fk is a steel girder and floorbeam system carrying NW Glenwood DR over Lit Third Fk in DeKalb County, Missouri. It was built in 1987 and reconstructed in 1996, so it is 38 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 52 ft (15.8 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNW Glenwood DR
CrossesLit Third Fk
LocationS 16 T 59 N R 32 W
RouteCounty Highway 301
CountyDeKalb County
StateMissouri
Coordinates39.92236, -94.49879
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span52 ft (15.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic29 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Glenwood DR over Lit Third Fk built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 1996.

What condition is NW Glenwood DR 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 Glenwood DR over Lit Third Fk carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NW Glenwood DR over Lit Third Fk?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.8 m) and a deck 18 ft wide.

Who owns NW Glenwood DR over Lit Third Fk?

It is owned by the County Highway Agency.