US Bridges

Banner LN over Trib of Timber Br

Good

Adair County, Missouri · S 34 T 62 N R 14 W · Structure no. 34406

Built
2013
12 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

Banner LN over Trib of Timber Br is a steel stringer/multi-beam or girder carrying Banner LN over Trib of Timber Br in Adair County, Missouri. It was built in 2013, so it is 12 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 68 ft (20.7 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBanner LN
CrossesTrib of Timber Br
LocationS 34 T 62 N R 14 W
RouteCounty Highway 278
CountyAdair County
StateMissouri
Coordinates40.12722, -92.44028
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
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 evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87.3 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length68 ft (20.7 m)
Longest span66 ft (20.1 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Banner LN over Trib of Timber Br built?

It was built in 2013, making it 12 years old in 2025.

What condition is Banner 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 February 2024.

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

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

How long is Banner LN over Trib of Timber Br?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20.1 m) and a deck 21 ft wide.

Who owns Banner LN over Trib of Timber Br?

It is owned by the County Highway Agency.