US Bridges

Trowbridge Road over Clear Fork

Good

Pottawatomie County, Kansas · 2.5N 1.0E of Blaine · Structure no. 000750921303640

Built
2016
9 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
80
2013 count
Owner
County
County Highway Agency

About this bridge

Trowbridge Road over Clear Fork is a steel stringer/multi-beam or girder carrying Trowbridge Road over Clear Fork in Pottawatomie County, Kansas. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 80 vehicles a day, projected to reach 96 by 2043. The structure is 44 ft (13.3 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesTrowbridge Road
CrossesClear Fork
Location2.5N 1.0E of Blaine
RouteCounty Highway 7520
CountyPottawatomie County
StateKansas
Coordinates39.53666, -96.38362
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span42 ft (12.8 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2013)
Projected traffic96 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Trowbridge Road over Clear Fork built?

It was built in 2016, making it 9 years old in 2025.

What condition is Trowbridge Road over Clear Fork 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 August 2023.

How much traffic does Trowbridge Road over Clear Fork carry?

About 80 vehicles per day (2013 count).

How long is Trowbridge Road over Clear Fork?

The structure is 44 ft (13.3 m) long with a longest span of 42 ft (12.8 m) and a deck 28 ft wide.

Who owns Trowbridge Road over Clear Fork?

It is owned by the County Highway Agency.