US Bridges

WB I-80 over Over UP RR

Fair

Dallas County, Iowa · 2.3 Mi. W of W JCT I-35 · Structure no. 000000000022420

Built
1966
59 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
26,850
2022 count
Owner
State
State Highway Agency

About this bridge

WB I-80 over Over UP RR is a steel continuous stringer/multi-beam or girder carrying WB I-80 over Over UP RR in Dallas County, Iowa. It was built in 1966, so it is 59 years old, older than the Iowa average of 45.5 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 26,850 vehicles a day, roughly 19% of them trucks, projected to reach 26,850 by 2042. The structure is 164 ft (50 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWB I-80
CrossesOver UP RR
Location2.3 Mi. W of W JCT I-35
RouteInterstate 80
CountyDallas County
StateIowa
Coordinates41.58729, -93.81866
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.6 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span63 ft (19.2 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,850 (2022)
Projected traffic26,850 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was WB I-80 over Over UP RR built?

It was built in 1966, making it 59 years old in 2025.

What condition is WB I-80 over Over UP RR 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 February 2023.

How much traffic does WB I-80 over Over UP RR carry?

About 26,850 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is WB I-80 over Over UP RR?

The structure is 164 ft (50 m) long with a longest span of 63 ft (19.2 m) and a deck 43 ft wide.

Who owns WB I-80 over Over UP RR?

It is owned by the State Highway Agency.