US Bridges

SW Longhorn DR over Log CR

FairPosted for load

Caldwell County, Missouri · S 6 T 55 N R 28 W · Structure no. 24201

Built
1930
95 years old, rebuilt 2013
Condition
Fair
inspected November 2023
Type
Truss - Thru
Steel
Length
79 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

SW Longhorn DR over Log CR is a steel truss - thru carrying SW Longhorn DR over Log CR in Caldwell County, Missouri. It was built in 1930 and reconstructed in 2013, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 79 ft (24.1 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSW Longhorn DR
CrossesLog CR
LocationS 6 T 55 N R 28 W
RouteCounty Highway 463
Coordinates39.59838, -94.09559
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating24.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadOther
Structure length79 ft (24.1 m)
Longest span60 ft (18.3 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 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 closed5 mi (8 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$599,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Longhorn DR over Log CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2013.

What condition is SW Longhorn DR over Log CR 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 November 2023.

How much traffic does SW Longhorn DR over Log CR carry?

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

How long is SW Longhorn DR over Log CR?

The structure is 79 ft (24.1 m) long with a longest span of 60 ft (18.3 m) and a deck 14 ft wide.

Who owns SW Longhorn DR over Log CR?

It is owned by the County Highway Agency.