US Bridges

SE 40th RD over Spring Branch Creek

Good

Harper County, Kansas · 1.5N 1.8E of Bluff City · Structure no. 000390763707000

Built
2024
1 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
40 ft
4 main spans
Daily traffic
80
2023 count
Owner
County
County Highway Agency

About this bridge

SE 40th RD over Spring Branch Creek is a steel culvert carrying SE 40th RD over Spring Branch Creek in Harper County, Kansas. It was built in 2024, so it is 1 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, roughly 10% of them trucks, projected to reach 100 by 2044. The structure is 40 ft (12.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSE 40th RD
CrossesSpring Branch Creek
Location1.5N 1.8E of Bluff City
RouteCounty Highway 3904
CountyHarper County
StateKansas
Coordinates37.09581, -97.84251
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating104.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHL 93
Structure length40 ft (12.1 m)
Longest span10 ft (3.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2023)
Projected traffic100 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SE 40th RD over Spring Branch Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is SE 40th RD over Spring Branch 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 May 2024.

How much traffic does SE 40th RD over Spring Branch Creek carry?

About 80 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SE 40th RD over Spring Branch Creek?

The structure is 40 ft (12.1 m) long with a longest span of 10 ft (3.1 m) and a deck 24 ft wide.

Who owns SE 40th RD over Spring Branch Creek?

It is owned by the County Highway Agency.