US Bridges

I70 HWY WB over Union Pacific Railroad

Fair

Trego County, Kansas · 1.79MI E Jt K147 WB · Structure no. 999907000980231

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
202 ft
5 main spans
Daily traffic
6,850
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY WB over Union Pacific Railroad is a concrete continuous slab carrying I70 HWY WB over Union Pacific Railroad 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 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 6,850 vehicles a day, roughly 23% of them trucks, projected to reach 9,046 by 2044. The structure is 202 ft (61.5 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesI70 HWY WB
CrossesUnion Pacific Railroad
Location1.79MI E Jt K147 WB
RouteInterstate 70
CountyTrego County
StateKansas
Coordinates38.98028, -99.70972
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length202 ft (61.5 m)
Longest span44 ft (13.4 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,850 (2023)
Projected traffic9,046 by 2044
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 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 WB over Union Pacific Railroad built?

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

What condition is I70 HWY WB over Union Pacific Railroad 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 April 2023.

How much traffic does I70 HWY WB over Union Pacific Railroad carry?

About 6,850 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I70 HWY WB over Union Pacific Railroad?

The structure is 202 ft (61.5 m) long with a longest span of 44 ft (13.4 m) and a deck 42 ft wide.

Who owns I70 HWY WB over Union Pacific Railroad?

It is owned by the State Highway Agency.