US Bridges

Trego U.9-23.3 over S. Fk. Pottawatomie Ck.

FairPosted for load

Anderson County, Kansas · 0.3 N of Trego-Hwy 169 · Structure no. 000021057505248

Built
1915
110 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Concrete
Length
58 ft
1 main span
Daily traffic
40
2014 count
Owner
County
County Highway Agency

About this bridge

Trego U.9-23.3 over S. Fk. Pottawatomie Ck. is a concrete arch - deck carrying Trego U.9-23.3 over S. Fk. Pottawatomie Ck. in Anderson County, Kansas. It was built in 1915, so it is 110 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2044. The structure is 58 ft (17.8 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTrego U.9-23.3
CrossesS. Fk. Pottawatomie Ck.
Location0.3 N of Trego-Hwy 169
RouteCounty Highway 0
CountyAnderson County
StateKansas
Coordinates38.36443, -95.12973
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating24.8 US tons
Inventory rating18 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length58 ft (17.8 m)
Longest span52 ft (15.7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2014)
Projected traffic50 by 2044
Trucks5%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Trego U.9-23.3 over S. Fk. Pottawatomie Ck. built?

It was built in 1915, making it 110 years old in 2025.

What condition is Trego U.9-23.3 over S. Fk. Pottawatomie 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 January 2024.

How much traffic does Trego U.9-23.3 over S. Fk. Pottawatomie Ck. carry?

About 40 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Trego U.9-23.3 over S. Fk. Pottawatomie Ck.?

The structure is 58 ft (17.8 m) long with a longest span of 52 ft (15.7 m) and a deck 22 ft wide.

Who owns Trego U.9-23.3 over S. Fk. Pottawatomie Ck.?

It is owned by the County Highway Agency.