US Bridges

110 ST over W Tarkio CR

Good

Atchison County, Missouri · S 31 T 67 N R 39 W · Structure no. 15339

Built
1998
27 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
168 ft
3 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

110 ST over W Tarkio CR is a prestressed concrete continuous stringer/multi-beam or girder carrying 110 ST over W Tarkio CR in Atchison County, Missouri. It was built in 1998, so it is 27 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 168 ft (51.2 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries110 ST
CrossesW Tarkio CR
LocationS 31 T 67 N R 39 W
RouteCounty Highway 91
Coordinates40.56813, -95.37222
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo 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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.3 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span63 ft (19.3 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 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 closed5 mi (8 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 110 ST over W Tarkio CR built?

It was built in 1998, making it 27 years old in 2025.

What condition is 110 ST over W Tarkio CR 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 110 ST over W Tarkio CR carry?

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

How long is 110 ST over W Tarkio CR?

The structure is 168 ft (51.2 m) long with a longest span of 63 ft (19.3 m) and a deck 27 ft wide.

Who owns 110 ST over W Tarkio CR?

It is owned by the County Highway Agency.