US Bridges

Rs 1270 B-3 over Nemaha River

Fair

Nemaha County, Kansas · 200th RD 1.5E of 63 HWY · Structure no. 000000000660480

Built
1952
73 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
258 ft
3 main spans
Daily traffic
106
2008 count
Owner
County
County Highway Agency

About this bridge

Rs 1270 B-3 over Nemaha River is a steel continuous stringer/multi-beam or girder carrying Rs 1270 B-3 over Nemaha River in Nemaha County, Kansas. It was built in 1952, so it is 73 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 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 106 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2044. The structure is 258 ft (78.5 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 1270 B-3
CrossesNemaha River
Location200th RD 1.5E of 63 HWY
RouteCounty Highway 1270
CountyNemaha County
StateKansas
Coordinates39.92833, -96.03122
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.
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 inspectionMarch 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 alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length258 ft (78.5 m)
Longest span100 ft (30.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic106 (2008)
Projected traffic120 by 2044
Trucks10%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$740,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1270 B-3 over Nemaha River built?

It was built in 1952, making it 73 years old in 2025.

What condition is Rs 1270 B-3 over 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 1270 B-3 over Nemaha River carry?

About 106 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is Rs 1270 B-3 over Nemaha River?

The structure is 258 ft (78.5 m) long with a longest span of 100 ft (30.5 m) and a deck 27 ft wide.

Who owns Rs 1270 B-3 over Nemaha River?

It is owned by the County Highway Agency.