US Bridges

Rs 490 H-1 over Cedar Creek

FairPosted for load

Nemaha County, Kansas · 3.0S.W. of Sabetha · Structure no. 000000000660200

Built
1956
69 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
207
2008 count
Owner
County
County Highway Agency

About this bridge

Rs 490 H-1 over Cedar Creek is a concrete culvert carrying Rs 490 H-1 over Cedar Creek in Nemaha County, Kansas. It was built in 1956, so it is 69 years old, older 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. Its operating status is: posted for load restriction.

It carries about 207 vehicles a day, roughly 10% of them trucks, projected to reach 225 by 2044. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRs 490 H-1
CrossesCedar Creek
Location3.0S.W. of Sabetha
RouteCounty Highway 490
CountyNemaha County
StateKansas
Coordinates39.87611, -95.82624
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating19.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length42 ft (12.8 m)
Longest span20 ft (6 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 traffic207 (2008)
Projected traffic225 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$73,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 490 H-1 over Cedar Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Rs 490 H-1 over Cedar 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 490 H-1 over Cedar Creek carry?

About 207 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is Rs 490 H-1 over Cedar Creek?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6 m) and a deck 28 ft wide.

Who owns Rs 490 H-1 over Cedar Creek?

It is owned by the County Highway Agency.