US Bridges

Overland Ave over Trib of Tarkio Rvr

Fair

Atchison County, Missouri · S 3 T 63 N R 40 W · Structure no. 24206

Built
1998
27 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
118 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

Overland Ave over Trib of Tarkio Rvr is a steel stringer/multi-beam or girder carrying Overland Ave over Trib of Tarkio Rvr 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 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 118 ft (36 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesOverland Ave
CrossesTrib of Tarkio Rvr
LocationS 3 T 63 N R 40 W
RouteCounty Highway 463
Coordinates40.30268, -95.40774
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length118 ft (36 m)
Longest span55 ft (16.7 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.6 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 closed8.1 mi (13 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 Overland Ave over Trib of Tarkio Rvr built?

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

What condition is Overland Ave 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 Overland Ave over Trib of Tarkio Rvr carry?

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

How long is Overland Ave over Trib of Tarkio Rvr?

The structure is 118 ft (36 m) long with a longest span of 55 ft (16.7 m) and a deck 22 ft wide.

Who owns Overland Ave over Trib of Tarkio Rvr?

It is owned by the County Highway Agency.