US Bridges

Union Track RD over Trib of Landon Br

Fair

Vernon County, Missouri · S 5 T 34 N R 31 W · Structure no. 25186

Built
1930
95 years old, rebuilt 1991
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
2 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Union Track RD over Trib of Landon Br is a steel stringer/multi-beam or girder carrying Union Track RD over Trib of Landon Br in Vernon County, Missouri. It was built in 1930 and reconstructed in 1991, 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 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 44 ft (13.4 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUnion Track RD
CrossesTrib of Landon Br
LocationS 5 T 34 N R 31 W
RouteCounty Highway 662
Coordinates37.73163, -94.34537
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating71.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length44 ft (13.4 m)
Longest span23 ft (7 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic46 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 Union Track RD over Trib of Landon Br built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1991.

What condition is Union Track RD over Trib of Landon 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 Union Track RD over Trib of Landon Br carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Union Track RD over Trib of Landon Br?

The structure is 44 ft (13.4 m) long with a longest span of 23 ft (7 m) and a deck 18 ft wide.

Who owns Union Track RD over Trib of Landon Br?

It is owned by the County Highway Agency.