US Bridges

US-77 HWY over W Br Walnut River Drg.

Good

Butler County, Kansas · 1.49 MI S JCT I-35/US-77 · Structure no. 999907700081781

Built
2007
18 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,605
2023 count
Owner
State
State Highway Agency

About this bridge

US-77 HWY over W Br Walnut River Drg. is a concrete culvert carrying US-77 HWY over W Br Walnut River Drg. in Butler County, Kansas. It was built in 2007, so it is 18 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 2,605 vehicles a day, roughly 16% of them trucks, projected to reach 3,055 by 2044. The structure is 21 ft (6.3 m) long and 151 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-77 HWY
CrossesW Br Walnut River Drg.
Location1.49 MI S JCT I-35/US-77
RouteU.S. Route 77
StateKansas
Coordinates37.85194, -96.84972
Functional classUrban Other Principal Arterial

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 inspectionSeptember 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width151 ft (46 m)
Roadway width129 ft (39.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,605 (2023)
Projected traffic3,055 by 2044
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US-77 HWY over W Br Walnut River Drg. built?

It was built in 2007, making it 18 years old in 2025.

What condition is US-77 HWY over W Br Walnut River Drg. 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 September 2024.

How much traffic does US-77 HWY over W Br Walnut River Drg. carry?

About 2,605 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US-77 HWY over W Br Walnut River Drg.?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 151 ft wide.

Who owns US-77 HWY over W Br Walnut River Drg.?

It is owned by the State Highway Agency.