US Bridges

I70 HWY Nl-Sl over Danbury Lane

Fair

Shawnee County, Kansas · 0.47 MI E Fairlawn Ave · Structure no. 999907000890191

Built
1956
69 years old, rebuilt 1977
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
29,178
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY Nl-Sl over Danbury Lane is a concrete culvert carrying I70 HWY Nl-Sl over Danbury Lane in Shawnee County, Kansas. It was built in 1956 and reconstructed in 1977, so it is 69 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 29,178 vehicles a day, roughly 10% of them trucks, projected to reach 37,040 by 2044. The structure is 28 ft (8.5 m) long and 110 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI70 HWY Nl-Sl
CrossesDanbury Lane
Location0.47 MI E Fairlawn Ave
RouteInterstate 70
StateKansas
Coordinates39.06444, -95.73639
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.1 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width110 ft (33.5 m)
Roadway width109 ft (33.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,178 (2023)
Projected traffic37,040 by 2044
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 I70 HWY Nl-Sl over Danbury Lane built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1977.

What condition is I70 HWY Nl-Sl over Danbury Lane 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 June 2024.

How much traffic does I70 HWY Nl-Sl over Danbury Lane carry?

About 29,178 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I70 HWY Nl-Sl over Danbury Lane?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 110 ft wide.

Who owns I70 HWY Nl-Sl over Danbury Lane?

It is owned by the State Highway Agency.