US Bridges

Rs 489 KO-2 over Trib. to Nemaha River

FairPosted for load

Nemaha County, Kansas · 1.0E of Kelly · Structure no. 000000000660130

Built
1961
64 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
166
2008 count
Owner
County
County Highway Agency

About this bridge

Rs 489 KO-2 over Trib. to Nemaha River is a concrete tee beam carrying Rs 489 KO-2 over Trib. to Nemaha River in Nemaha County, Kansas. It was built in 1961, so it is 64 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 166 vehicles a day, roughly 10% of them trucks, projected to reach 175 by 2044. The structure is 45 ft (13.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRs 489 KO-2
CrossesTrib. to Nemaha River
Location1.0E of Kelly
RouteCounty Highway 489
CountyNemaha County
StateKansas
Coordinates39.74, -95.98939
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.5 US tons
Inventory rating18.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic166 (2008)
Projected traffic175 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$83,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 489 KO-2 over Trib. to Nemaha River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Rs 489 KO-2 over Trib. to Nemaha 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 March 2024.

How much traffic does Rs 489 KO-2 over Trib. to Nemaha River carry?

About 166 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is Rs 489 KO-2 over Trib. to Nemaha River?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.

Who owns Rs 489 KO-2 over Trib. to Nemaha River?

It is owned by the County Highway Agency.