US Bridges

Ia 376 over Cunningham DR

Good

Woodbury County, Iowa · 1.1 MI S of JCT Ia 12 · Structure no. 000000000052991

Built
1978
47 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
163 ft
3 main spans
Daily traffic
11,800
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 376 over Cunningham DR is a prestressed concrete stringer/multi-beam or girder carrying Ia 376 over Cunningham DR in Woodbury County, Iowa. It was built in 1978, so it is 47 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,800 vehicles a day, roughly 5% of them trucks, projected to reach 11,800 by 2044. The structure is 163 ft (49.7 m) long and 75 ft wide.

CarriesIa 376
CrossesCunningham DR
Location1.1 MI S of JCT Ia 12
RouteState Highway 376
StateIowa
Coordinates42.4772, -96.38045
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.8 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span77 ft (23.5 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2022)
Projected traffic11,800 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 376 over Cunningham DR built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ia 376 over Cunningham DR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Ia 376 over Cunningham DR carry?

About 11,800 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ia 376 over Cunningham DR?

The structure is 163 ft (49.7 m) long with a longest span of 77 ft (23.5 m) and a deck 75 ft wide.

Who owns Ia 376 over Cunningham DR?

It is owned by the State Highway Agency.