US Bridges

I135 US81 SB over Pawnee RD

Fair

McPherson County, Kansas · 5.40 MI N US56 SB · Structure no. 999913500590401

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
9,300
2023 count
Owner
State
State Highway Agency

About this bridge

I135 US81 SB over Pawnee RD is a concrete continuous slab carrying I135 US81 SB over Pawnee RD in McPherson County, Kansas. It was built in 1968, so it is 57 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 9,300 vehicles a day, roughly 36% of them trucks, projected to reach 11,348 by 2044. The structure is 122 ft (37.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI135 US81 SB
CrossesPawnee RD
Location5.40 MI N US56 SB
RouteInterstate 135
StateKansas
Coordinates38.44917, -97.62083
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.3 m)
Longest span48 ft (14.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2023)
Projected traffic11,348 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 Pawnee RD built?

It was built in 1968, making it 57 years old in 2025.

What condition is I135 US81 SB over Pawnee RD 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 November 2024.

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

About 9,300 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is I135 US81 SB over Pawnee RD?

The structure is 122 ft (37.3 m) long with a longest span of 48 ft (14.6 m) and a deck 42 ft wide.

Who owns I135 US81 SB over Pawnee RD?

It is owned by the State Highway Agency.