US Bridges

Trowbridge Road over Trib. to Irish Creek

Good

Pottawatomie County, Kansas · 2.5N 2.0E of Blaine · Structure no. 000750921903640

Built
2008
17 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
80
2013 count
Owner
County
County Highway Agency

About this bridge

Trowbridge Road over Trib. to Irish Creek is a concrete continuous slab carrying Trowbridge Road over Trib. to Irish Creek in Pottawatomie County, Kansas. It was built in 2008, so it is 17 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.

It carries about 80 vehicles a day, projected to reach 96 by 2043. The structure is 93 ft (28.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTrowbridge Road
CrossesTrib. to Irish Creek
Location2.5N 2.0E of Blaine
RouteCounty Highway 7520
CountyPottawatomie County
StateKansas
Coordinates39.53663, -96.37183
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 rating86.2 US tons
Inventory rating51.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.2 m)
Longest span36 ft (10.9 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 traffic80 (2013)
Projected traffic96 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Trowbridge Road over Trib. to Irish Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Trowbridge Road over Trib. to Irish 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 August 2023.

How much traffic does Trowbridge Road over Trib. to Irish Creek carry?

About 80 vehicles per day (2013 count).

How long is Trowbridge Road over Trib. to Irish Creek?

The structure is 93 ft (28.2 m) long with a longest span of 36 ft (10.9 m) and a deck 28 ft wide.

Who owns Trowbridge Road over Trib. to Irish Creek?

It is owned by the County Highway Agency.