US Bridges

I470 (kta)nl-Sl over Deer Creek

Good

Shawnee County, Kansas · 3.55 MI NE Topeka Ave · Structure no. 999947000891753

Built
1955
70 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
9,860
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I470 (kta)nl-Sl over Deer Creek is a concrete culvert carrying I470 (kta)nl-Sl over Deer Creek in Shawnee 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 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 9,860 vehicles a day, roughly 18% of them trucks, projected to reach 12,517 by 2044. The structure is 29 ft (8.8 m) long and 98 ft wide.

Location

Open in Google Maps
CarriesI470 (kta)nl-Sl
CrossesDeer Creek
Location3.55 MI NE Topeka Ave
RouteInterstate 470
CountyShawnee County
StateKansas
Coordinates39.01944, -95.63528
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 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 width98 ft (29.8 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,860 (2023)
Projected traffic12,517 by 2044
Trucks18%
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 I470 (kta)nl-Sl over Deer Creek built?

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

What condition is I470 (kta)nl-Sl over Deer Creek 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 June 2024.

How much traffic does I470 (kta)nl-Sl over Deer Creek carry?

About 9,860 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I470 (kta)nl-Sl over Deer Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 98 ft wide.

Who owns I470 (kta)nl-Sl over Deer Creek?

It is owned by the State Toll Authority.