US Bridges

Oregon Trail Rd. over Vermillion River

Good

Pottawatomie County, Kansas · 3.0E of Louisville · Structure no. 000000000750550

Built
1978
47 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
233 ft
3 main spans
Daily traffic
96
2013 count
Owner
County
County Highway Agency

About this bridge

Oregon Trail Rd. over Vermillion River is a prestressed concrete continuous tee beam carrying Oregon Trail Rd. over Vermillion River in Pottawatomie County, Kansas. It was built in 1978, so it is 47 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 96 vehicles a day, roughly 10% of them trucks, projected to reach 115 by 2043. The structure is 233 ft (71 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesOregon Trail Rd.
CrossesVermillion River
Location3.0E of Louisville
RouteCounty Highway 1258
StateKansas
Coordinates39.25615, -96.24981
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.8 US tons
Inventory rating28.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length233 ft (71 m)
Longest span77 ft (23.5 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 traffic96 (2013)
Projected traffic115 by 2043
Trucks10%
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 Oregon Trail Rd. over Vermillion River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Oregon Trail Rd. over Vermillion River 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 July 2023.

How much traffic does Oregon Trail Rd. over Vermillion River carry?

About 96 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Oregon Trail Rd. over Vermillion River?

The structure is 233 ft (71 m) long with a longest span of 77 ft (23.5 m) and a deck 28 ft wide.

Who owns Oregon Trail Rd. over Vermillion River?

It is owned by the County Highway Agency.