US Bridges

Rs 340 Bsn 360 over White Rock Creek

Fair

Jewell County, Kansas · 7.8N of Mankato · Structure no. 000000000450360

Built
1956
69 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
325 ft
5 main spans
Daily traffic
127
2018 count
Owner
County
County Highway Agency

About this bridge

Rs 340 Bsn 360 over White Rock Creek is a steel continuous stringer/multi-beam or girder carrying Rs 340 Bsn 360 over White Rock Creek in Jewell 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.

It carries about 127 vehicles a day, roughly 15% of them trucks, projected to reach 145 by 2044. The structure is 325 ft (99.1 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRs 340 Bsn 360
CrossesWhite Rock Creek
Location7.8N of Mankato
RouteCounty Highway 340
CountyJewell County
StateKansas
Coordinates39.89847, -98.21266
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 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 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 rating37.1 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length325 ft (99.1 m)
Longest span70 ft (21.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic127 (2018)
Projected traffic145 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$600,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 340 Bsn 360 over White Rock Creek built?

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

What condition is Rs 340 Bsn 360 over White Rock 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 340 Bsn 360 over White Rock Creek carry?

About 127 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is Rs 340 Bsn 360 over White Rock Creek?

The structure is 325 ft (99.1 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns Rs 340 Bsn 360 over White Rock Creek?

It is owned by the County Highway Agency.