US Bridges

Ia 3 over Elk Creek

Fair

Delaware County, Iowa · 3.8 Mi. E of Jct. 38 · Structure no. 000000000023151

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
3 main spans
Daily traffic
760
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Elk Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 3 over Elk Creek in Delaware County, Iowa. It was built in 1987, so it is 38 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 760 vehicles a day, roughly 18% of them trucks, projected to reach 760 by 2043. The structure is 183 ft (55.8 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesIa 3
CrossesElk Creek
Location3.8 Mi. E of Jct. 38
RouteState Highway 3
StateIowa
Coordinates42.63266, -91.28299
Functional classRural Principal Arterial - Other

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.8 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span82 ft (25 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2022)
Projected traffic760 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemYes

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 Ia 3 over Elk Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ia 3 over Elk 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 March 2023.

How much traffic does Ia 3 over Elk Creek carry?

About 760 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Ia 3 over Elk Creek?

The structure is 183 ft (55.8 m) long with a longest span of 82 ft (25 m) and a deck 43 ft wide.

Who owns Ia 3 over Elk Creek?

It is owned by the State Highway Agency.