US Bridges

Rs 304 Ridge Rd. over Little Arkansas River

Good

Sedgwick County, Kansas · 5.0E 0.5N of Bentley · Structure no. 000000000870290

Built
1969
56 years old, rebuilt 2023
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
423 ft
5 main spans
Daily traffic
2,062
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 304 Ridge Rd. over Little Arkansas River is a concrete stringer/multi-beam or girder carrying Rs 304 Ridge Rd. over Little Arkansas River in Sedgwick County, Kansas. It was built in 1969 and reconstructed in 2023, so it is 56 years old, older 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 2,062 vehicles a day, roughly 8% of them trucks, projected to reach 2,516 by 2044. The structure is 423 ft (128.9 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRs 304 Ridge Rd.
CrossesLittle Arkansas River
Location5.0E 0.5N of Bentley
RouteCounty Highway 304
StateKansas
Coordinates37.88993, -97.4271
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length423 ft (128.9 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,062 (2022)
Projected traffic2,516 by 2044
Trucks8%
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 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 Rs 304 Ridge Rd. over Little Arkansas River built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2023.

What condition is Rs 304 Ridge Rd. over Little Arkansas 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 August 2023.

How much traffic does Rs 304 Ridge Rd. over Little Arkansas River carry?

About 2,062 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Rs 304 Ridge Rd. over Little Arkansas River?

The structure is 423 ft (128.9 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns Rs 304 Ridge Rd. over Little Arkansas River?

It is owned by the County Highway Agency.