US Bridges

EB I-80 over Sugar Creek

Fair

Dallas County, Iowa · 7.9 Mi. E of Jct. US 169 · Structure no. 000000000022380

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
3 main spans
Daily traffic
24,500
2023 count
Owner
State
State Highway Agency

About this bridge

EB I-80 over Sugar Creek is a steel continuous stringer/multi-beam or girder carrying EB I-80 over Sugar Creek 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 24,500 vehicles a day, roughly 21% of them trucks, projected to reach 24,500 by 2043. The structure is 204 ft (62.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEB I-80
CrossesSugar Creek
Location7.9 Mi. E of Jct. US 169
RouteInterstate 80
StateIowa
Coordinates41.56514, -93.86452
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating41.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span78 ft (23.8 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,500 (2023)
Projected traffic24,500 by 2043
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was EB I-80 over Sugar Creek built?

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

What condition is EB I-80 over Sugar Creek 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 2024.

How much traffic does EB I-80 over Sugar Creek carry?

About 24,500 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is EB I-80 over Sugar Creek?

The structure is 204 ft (62.2 m) long with a longest span of 78 ft (23.8 m) and a deck 43 ft wide.

Who owns EB I-80 over Sugar Creek?

It is owned by the State Highway Agency.