US Bridges

I135 HWY Nb/Sb over Frontage Road

Fair

Sedgwick County, Kansas · 0.85 MI N 21st ST · Structure no. 999913500870231

Built
1970
55 years old, rebuilt 2002
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
36,128
2023 count
Owner
State
State Highway Agency

About this bridge

I135 HWY Nb/Sb over Frontage Road is a concrete culvert carrying I135 HWY Nb/Sb over Frontage Road in Sedgwick County, Kansas. It was built in 1970 and reconstructed in 2002, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 36,128 vehicles a day, roughly 6% of them trucks, projected to reach 44,083 by 2044. The structure is 32 ft (9.8 m) long and 163 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI135 HWY Nb/Sb
CrossesFrontage Road
Location0.85 MI N 21st ST
RouteInterstate 135
StateKansas
Coordinates37.73361, -97.31667
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width163 ft (49.8 m)
Roadway width122 ft (37.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,128 (2023)
Projected traffic44,083 by 2044
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I135 HWY Nb/Sb over Frontage Road built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2002.

What condition is I135 HWY Nb/Sb over Frontage Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does I135 HWY Nb/Sb over Frontage Road carry?

About 36,128 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I135 HWY Nb/Sb over Frontage Road?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 163 ft wide.

Who owns I135 HWY Nb/Sb over Frontage Road?

It is owned by the State Highway Agency.