US Bridges

T-9.5 303 over Trib. to Mill Creek

GoodPosted for load

Washington County, Kansas · 2.0E 4.0N of Washington · Structure no. 001010855003165

Built
1979
46 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
48
2014 count
Owner
County
County Highway Agency

About this bridge

T-9.5 303 over Trib. to Mill Creek is a concrete culvert carrying T-9.5 303 over Trib. to Mill Creek in Washington County, Kansas. It was built in 1979, so it is 46 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 48 vehicles a day, projected to reach 58 by 2043. The structure is 31 ft (9.5 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-9.5 303
CrossesTrib. to Mill Creek
Location2.0E 4.0N of Washington
RouteCounty Highway 10123
StateKansas
Coordinates39.87772, -97.01231
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 rating46.1 US tons
Inventory rating27.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic48 (2014)
Projected traffic58 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 T-9.5 303 over Trib. to Mill Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is T-9.5 303 over Trib. to Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does T-9.5 303 over Trib. to Mill Creek carry?

About 48 vehicles per day (2014 count).

How long is T-9.5 303 over Trib. to Mill Creek?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns T-9.5 303 over Trib. to Mill Creek?

It is owned by the County Highway Agency.