US Bridges

I 70 B (kta)nl-Sl over Wolf Creek

Fair

Leavenworth County, Kansas · 0.10 MI W Wy CO Line · Structure no. 999907000520663

Built
1955
70 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
17,396
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I 70 B (kta)nl-Sl over Wolf Creek is a concrete culvert carrying I 70 B (kta)nl-Sl over Wolf Creek in Leavenworth County, Kansas. It was built in 1955, so it is 70 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 17,396 vehicles a day, roughly 19% of them trucks, projected to reach 22,973 by 2044. The structure is 29 ft (8.8 m) long and 150 ft wide.

Location

Open in Google Maps
CarriesI 70 B (kta)nl-Sl
CrossesWolf Creek
Location0.10 MI W Wy CO Line
RouteInterstate 70
CountyLeavenworth County
StateKansas
Coordinates39.08972, -94.91028
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width150 ft (45.7 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,396 (2023)
Projected traffic22,973 by 2044
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I 70 B (kta)nl-Sl over Wolf Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is I 70 B (kta)nl-Sl over Wolf Creek 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 July 2024.

How much traffic does I 70 B (kta)nl-Sl over Wolf Creek carry?

About 17,396 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I 70 B (kta)nl-Sl over Wolf Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 150 ft wide.

Who owns I 70 B (kta)nl-Sl over Wolf Creek?

It is owned by the State Toll Authority.