US Bridges

US75 HWY over Delaware River DR

Good

Brown County, Kansas · 9.45 MI N K20 · Structure no. 999907500070201

Built
1954
71 years old, rebuilt 1995
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
4,596
2023 count
Owner
State
State Highway Agency

About this bridge

US75 HWY over Delaware River DR is a concrete culvert carrying US75 HWY over Delaware River DR in Brown County, Kansas. It was built in 1954 and reconstructed in 1995, so it is 71 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 4,596 vehicles a day, roughly 26% of them trucks, projected to reach 5,608 by 2044. The structure is 25 ft (7.6 m) long and 87 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS75 HWY
CrossesDelaware River DR
Location9.45 MI N K20
RouteU.S. Route 75
StateKansas
Coordinates39.80417, -95.72917
Functional classRural Principal Arterial - Other

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width87 ft (26.5 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,596 (2023)
Projected traffic5,608 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US75 HWY over Delaware River DR built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1995.

What condition is US75 HWY over Delaware River DR 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 June 2023.

How much traffic does US75 HWY over Delaware River DR carry?

About 4,596 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is US75 HWY over Delaware River DR?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 87 ft wide.

Who owns US75 HWY over Delaware River DR?

It is owned by the State Highway Agency.