US Bridges

Local Rd. C.5-29.7 over Trib. to Missouri River

Fair

Atchison County, Kansas · 1.5N.W. of Oak Mills · Structure no. 000031065703745

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
30
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. C.5-29.7 over Trib. to Missouri River is a concrete continuous slab carrying Local Rd. C.5-29.7 over Trib. to Missouri River in Atchison County, Kansas. It was built in 1991, so it is 34 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 30 vehicles a day, projected to reach 35 by 2042. The structure is 104 ft (31.7 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesLocal Rd. C.5-29.7
CrossesTrib. to Missouri River
Location1.5N.W. of Oak Mills
RouteCounty Highway 0
CountyAtchison County
StateKansas
Coordinates39.45615, -95.0326
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span42 ft (12.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2007)
Projected traffic35 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Local Rd. C.5-29.7 over Trib. to Missouri River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Local Rd. C.5-29.7 over Trib. to Missouri River 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 July 2024.

How much traffic does Local Rd. C.5-29.7 over Trib. to Missouri River carry?

About 30 vehicles per day (2007 count).

How long is Local Rd. C.5-29.7 over Trib. to Missouri River?

The structure is 104 ft (31.7 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.

Who owns Local Rd. C.5-29.7 over Trib. to Missouri River?

It is owned by the County Highway Agency.