US Bridges

Tiger LN over Trib of Timber Br

Good

Adair County, Missouri · S 24 T 62 N R 14 W · Structure no. 28350

Built
1999
26 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Tiger LN over Trib of Timber Br is a steel stringer/multi-beam or girder carrying Tiger LN over Trib of Timber Br in Adair County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 33 by 2044. The structure is 41 ft (12.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTiger LN
CrossesTrib of Timber Br
LocationS 24 T 62 N R 14 W
RouteCounty Highway 276
Coordinates40.15318, -92.41437
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic33 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Tiger LN over Trib of Timber Br built?

It was built in 1999, making it 26 years old in 2025.

What condition is Tiger LN over Trib of Timber Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Tiger LN over Trib of Timber Br carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Tiger LN over Trib of Timber Br?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 16 ft wide.

Who owns Tiger LN over Trib of Timber Br?

It is owned by the County Highway Agency.