US Bridges

Rs 485 A-20 over Clear Creek

Fair

Nemaha County, Kansas · 7.3N of Baileyville · Structure no. 000000000660060

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
132 ft
3 main spans
Daily traffic
94
2008 count
Owner
County
County Highway Agency

About this bridge

Rs 485 A-20 over Clear Creek is a concrete continuous slab carrying Rs 485 A-20 over Clear Creek in Nemaha County, Kansas. It was built in 1985, so it is 40 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 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 94 vehicles a day, projected to reach 120 by 2044. The structure is 132 ft (40.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 485 A-20
CrossesClear Creek
Location7.3N of Baileyville
RouteCounty Highway 485
CountyNemaha County
StateKansas
Coordinates39.94781, -96.18253
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length132 ft (40.2 m)
Longest span52 ft (15.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic94 (2008)
Projected traffic120 by 2044
Trucks0%
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 Rs 485 A-20 over Clear Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Rs 485 A-20 over Clear Creek 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 March 2024.

How much traffic does Rs 485 A-20 over Clear Creek carry?

About 94 vehicles per day (2008 count).

How long is Rs 485 A-20 over Clear Creek?

The structure is 132 ft (40.2 m) long with a longest span of 52 ft (15.7 m) and a deck 28 ft wide.

Who owns Rs 485 A-20 over Clear Creek?

It is owned by the County Highway Agency.