US Bridges

RD (77th St) over I135 HWY Nb/Sb

Good

Sedgwick County, Kansas · 4.46 MI N I235 · Structure no. 999913500870461

Built
1970
55 years old, rebuilt 1990
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
269 ft
4 main spans
Daily traffic
1,734
2023 count
Owner
State
State Highway Agency

About this bridge

RD (77th St) over I135 HWY Nb/Sb is a steel continuous stringer/multi-beam or girder carrying RD (77th St) over I135 HWY Nb/Sb in Sedgwick County, Kansas. It was built in 1970 and reconstructed in 1990, so it is 55 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 1,734 vehicles a day, projected to reach 2,074 by 2044. The structure is 269 ft (82.1 m) long and 67 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRD (77th St)
CrossesI135 HWY Nb/Sb
Location4.46 MI N I235
RouteCity Street 6618
StateKansas
Coordinates37.825, -97.32639
Functional classUrban 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.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating66.9 US tons
Inventory rating39 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans4
Design loadH 20
Structure length269 ft (82.1 m)
Longest span91 ft (27.7 m)
Deck width67 ft (20.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,734 (2023)
Projected traffic2,074 by 2044
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 RD (77th St) over I135 HWY Nb/Sb built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1990.

What condition is RD (77th St) over I135 HWY Nb/Sb 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 January 2025.

How much traffic does RD (77th St) over I135 HWY Nb/Sb carry?

About 1,734 vehicles per day (2023 count).

How long is RD (77th St) over I135 HWY Nb/Sb?

The structure is 269 ft (82.1 m) long with a longest span of 91 ft (27.7 m) and a deck 67 ft wide.

Who owns RD (77th St) over I135 HWY Nb/Sb?

It is owned by the State Highway Agency.