US Bridges

Evansdale DR over I-380

Fair

Black Hawk County, Iowa · At Jct. of Evansdale Dr. · Structure no. 000000000605245

Built
1982
43 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
268 ft
4 main spans
Daily traffic
4,760
2022 count
Owner
State
State Highway Agency

About this bridge

Evansdale DR over I-380 is a prestressed concrete stringer/multi-beam or girder carrying Evansdale DR over I-380 in Black Hawk County, Iowa. It was built in 1982, so it is 43 years old, younger 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 4,760 vehicles a day, roughly 23% of them trucks, projected to reach 4,760 by 2043. The structure is 268 ft (81.7 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesEvansdale DR
CrossesI-380
LocationAt Jct. of Evansdale Dr.
RouteCity Street 0
CountyBlack Hawk County
StateIowa
Coordinates42.45743, -92.25455
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating96.5 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span92 ft (28 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,760 (2022)
Projected traffic4,760 by 2043
Trucks23%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Evansdale DR over I-380 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Evansdale DR over I-380 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 October 2023.

How much traffic does Evansdale DR over I-380 carry?

About 4,760 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is Evansdale DR over I-380?

The structure is 268 ft (81.7 m) long with a longest span of 92 ft (28 m) and a deck 59 ft wide.

Who owns Evansdale DR over I-380?

It is owned by the State Highway Agency.