US Bridges

NW Beaver DR over I 35 I 80 Beaver Creek

Good

Polk County, Iowa · 1.0 Mi. E of Jct. Ia 28 · Structure no. 000000000700420

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
904 ft
7 main spans
Daily traffic
8,366
2022 count
Owner
State
State Highway Agency

About this bridge

NW Beaver DR over I 35 I 80 Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying NW Beaver DR over I 35 I 80 Beaver Creek in Polk County, Iowa. It was built in 2016, so it is 9 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,366 vehicles a day, projected to reach 8,366 by 2044. The structure is 904 ft (275.4 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNW Beaver DR
CrossesI 35 I 80 Beaver Creek
Location1.0 Mi. E of Jct. Ia 28
RouteCounty Highway 0
StateIowa
Coordinates41.65104, -93.6806
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length904 ft (275.4 m)
Longest span157 ft (47.9 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,366 (2022)
Projected traffic8,366 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Beaver DR over I 35 I 80 Beaver Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is NW Beaver DR over I 35 I 80 Beaver Creek 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 July 2024.

How much traffic does NW Beaver DR over I 35 I 80 Beaver Creek carry?

About 8,366 vehicles per day (2022 count).

How long is NW Beaver DR over I 35 I 80 Beaver Creek?

The structure is 904 ft (275.4 m) long with a longest span of 157 ft (47.9 m) and a deck 49 ft wide.

Who owns NW Beaver DR over I 35 I 80 Beaver Creek?

It is owned by the State Highway Agency.