US Bridges

Local Road over I70 HWY Nl-Sl

Good

Trego County, Kansas · 1.08MI W Ellis CO Line · Structure no. 999907000980321

Built
1964
61 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
268 ft
4 main spans
Daily traffic
17
2023 count
Owner
State
State Highway Agency

About this bridge

Local Road over I70 HWY Nl-Sl is a concrete continuous box beam or girders - multiple carrying Local Road over I70 HWY Nl-Sl in Trego County, Kansas. It was built in 1964, so it is 61 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 17 vehicles a day. The structure is 268 ft (81.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLocal Road
CrossesI70 HWY Nl-Sl
Location1.08MI W Ellis CO Line
RouteCounty Highway 50
CountyTrego County
StateKansas
Coordinates38.95583, -99.61333
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length268 ft (81.8 m)
Longest span76 ft (23.2 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2023)
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Local Road over I70 HWY Nl-Sl built?

It was built in 1964, making it 61 years old in 2025.

What condition is Local Road over I70 HWY Nl-Sl 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 April 2023.

How much traffic does Local Road over I70 HWY Nl-Sl carry?

About 17 vehicles per day (2023 count).

How long is Local Road over I70 HWY Nl-Sl?

The structure is 268 ft (81.8 m) long with a longest span of 76 ft (23.2 m) and a deck 29 ft wide.

Who owns Local Road over I70 HWY Nl-Sl?

It is owned by the State Highway Agency.