US Bridges

190 ST over Trib of Tarkio Rvr

Fair

Atchison County, Missouri · S 8 T 65 N R 39 W · Structure no. 28699

Built
2001
24 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

190 ST over Trib of Tarkio Rvr is a steel stringer/multi-beam or girder carrying 190 ST over Trib of Tarkio Rvr in Atchison County, Missouri. It was built in 2001, so it is 24 years old, younger 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 100 ft (30.5 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries190 ST
CrossesTrib of Tarkio Rvr
LocationS 8 T 65 N R 39 W
RouteCounty Highway 265
CountyAtchison County
StateMissouri
Coordinates40.45203, -95.32339
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadOther
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 190 ST over Trib of Tarkio Rvr built?

It was built in 2001, making it 24 years old in 2025.

What condition is 190 ST over Trib of Tarkio Rvr 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 190 ST over Trib of Tarkio Rvr carry?

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

How long is 190 ST over Trib of Tarkio Rvr?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns 190 ST over Trib of Tarkio Rvr?

It is owned by the County Highway Agency.