US Bridges

US-77 HWY SB over I-35 HWY (kta)

Good

Butler County, Kansas · I-35/US-77 Jctn · Structure no. 999907700081761

Built
2007
18 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
4 main spans
Daily traffic
836
2023 count
Owner
State
State Highway Agency

About this bridge

US-77 HWY SB over I-35 HWY (kta) is a steel continuous stringer/multi-beam or girder carrying US-77 HWY SB over I-35 HWY (kta) 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 836 vehicles a day, roughly 16% of them trucks, projected to reach 905 by 2044. The structure is 233 ft (71.1 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-77 HWY SB
CrossesI-35 HWY (kta)
LocationI-35/US-77 Jctn
RouteU.S. Route 77
StateKansas
Coordinates37.87333, -96.85
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans4
Design loadHL 93
Structure length233 ft (71.1 m)
Longest span66 ft (20 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic836 (2023)
Projected traffic905 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 SB over I-35 HWY (kta) built?

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

What condition is US-77 HWY SB over I-35 HWY (kta) 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 SB over I-35 HWY (kta) carry?

About 836 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US-77 HWY SB over I-35 HWY (kta)?

The structure is 233 ft (71.1 m) long with a longest span of 66 ft (20 m) and a deck 43 ft wide.

Who owns US-77 HWY SB over I-35 HWY (kta)?

It is owned by the State Highway Agency.