US Bridges

I135 US81 SB over Commanche RD

Good

McPherson County, Kansas · 5.57 MI N Njct K260 SB · Structure no. 999913500590131

Built
1971
54 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
206 ft
3 main spans
Daily traffic
6,834
2023 count
Owner
State
State Highway Agency

About this bridge

I135 US81 SB over Commanche RD is a concrete continuous box beam or girders - multiple carrying I135 US81 SB over Commanche RD in McPherson County, Kansas. It was built in 1971, so it is 54 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 6,834 vehicles a day, roughly 36% of them trucks, projected to reach 8,175 by 2044. The structure is 206 ft (62.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI135 US81 SB
CrossesCommanche RD
Location5.57 MI N Njct K260 SB
RouteInterstate 135
StateKansas
Coordinates38.28944, -97.58833
Functional classRural Principal Arterial - Interstate

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length206 ft (62.8 m)
Longest span78 ft (23.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,834 (2023)
Projected traffic8,175 by 2044
Trucks36%
Lanes on structure2
Traffic directionOne-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 US81 SB over Commanche RD built?

It was built in 1971, making it 54 years old in 2025.

What condition is I135 US81 SB over Commanche RD 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 October 2023.

How much traffic does I135 US81 SB over Commanche RD carry?

About 6,834 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is I135 US81 SB over Commanche RD?

The structure is 206 ft (62.8 m) long with a longest span of 78 ft (23.8 m) and a deck 42 ft wide.

Who owns I135 US81 SB over Commanche RD?

It is owned by the State Highway Agency.