US Bridges

Rs 340 Bsn 370 over Trib. to White Rock Ck.

Fair

Jewell County, Kansas · 8.2N of Mankato · Structure no. 000000000450370

Built
1958
67 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
87
2018 count
Owner
County
County Highway Agency

About this bridge

Rs 340 Bsn 370 over Trib. to White Rock Ck. is a concrete continuous slab carrying Rs 340 Bsn 370 over Trib. to White Rock Ck. in Jewell County, Kansas. It was built in 1958, so it is 67 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 87 vehicles a day, projected to reach 100 by 2044. The structure is 94 ft (28.7 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRs 340 Bsn 370
CrossesTrib. to White Rock Ck.
Location8.2N of Mankato
RouteCounty Highway 340
CountyJewell County
StateKansas
Coordinates39.90321, -98.21263
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length94 ft (28.7 m)
Longest span35 ft (10.6 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic87 (2018)
Projected traffic100 by 2044
Trucks0%
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$200,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 340 Bsn 370 over Trib. to White Rock Ck. built?

It was built in 1958, making it 67 years old in 2025.

What condition is Rs 340 Bsn 370 over Trib. to White Rock Ck. 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 370 over Trib. to White Rock Ck. carry?

About 87 vehicles per day (2018 count).

How long is Rs 340 Bsn 370 over Trib. to White Rock Ck.?

The structure is 94 ft (28.7 m) long with a longest span of 35 ft (10.6 m) and a deck 29 ft wide.

Who owns Rs 340 Bsn 370 over Trib. to White Rock Ck.?

It is owned by the County Highway Agency.