US Bridges

US75 HWY El N-Bnd over Lower Silver Lake Road

Good

Shawnee County, Kansas · 0.79 MI N-E JCT US75/I70 · Structure no. 999907500891631

Built
1978
47 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
215 ft
4 main spans
Daily traffic
22,111
2023 count
Owner
State
State Highway Agency

About this bridge

US75 HWY El N-Bnd over Lower Silver Lake Road is a concrete continuous slab carrying US75 HWY El N-Bnd over Lower Silver Lake Road in Shawnee County, Kansas. It was built in 1978, so it is 47 years old, younger 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 22,111 vehicles a day, roughly 9% of them trucks, projected to reach 29,199 by 2044. The structure is 215 ft (65.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS75 HWY El N-Bnd
CrossesLower Silver Lake Road
Location0.79 MI N-E JCT US75/I70
RouteU.S. Route 75
StateKansas
Coordinates39.08083, -95.73028
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
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 rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length215 ft (65.4 m)
Longest span63 ft (19.2 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,111 (2023)
Projected traffic29,199 by 2044
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US75 HWY El N-Bnd over Lower Silver Lake Road built?

It was built in 1978, making it 47 years old in 2025.

What condition is US75 HWY El N-Bnd over Lower Silver Lake Road 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 January 2025.

How much traffic does US75 HWY El N-Bnd over Lower Silver Lake Road carry?

About 22,111 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US75 HWY El N-Bnd over Lower Silver Lake Road?

The structure is 215 ft (65.4 m) long with a longest span of 63 ft (19.2 m) and a deck 42 ft wide.

Who owns US75 HWY El N-Bnd over Lower Silver Lake Road?

It is owned by the State Highway Agency.