US Bridges

Minor T-7.6 over White Rock Creek

Fair

Jewell County, Kansas · 2.4E 1.0N of Ebson · Structure no. 000450709603220

Built
1983
42 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
45
2018 count
Owner
County
County Highway Agency

About this bridge

Minor T-7.6 over White Rock Creek is a concrete continuous slab carrying Minor T-7.6 over White Rock Creek in Jewell County, Kansas. It was built in 1983, so it is 42 years old, younger 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 45 vehicles a day, projected to reach 45 by 2043. The structure is 133 ft (40.5 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMinor T-7.6
CrossesWhite Rock Creek
Location2.4E 1.0N of Ebson
RouteCounty Highway 4510
StateKansas
Coordinates39.84299, -98.38004
Functional classRural Minor 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 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating38.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length133 ft (40.5 m)
Longest span52 ft (15.7 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 traffic45 (2018)
Projected traffic45 by 2043
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor T-7.6 over White Rock Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Minor T-7.6 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 2023.

How much traffic does Minor T-7.6 over White Rock Creek carry?

About 45 vehicles per day (2018 count).

How long is Minor T-7.6 over White Rock Creek?

The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.7 m) and a deck 28 ft wide.

Who owns Minor T-7.6 over White Rock Creek?

It is owned by the County Highway Agency.