US Bridges

US 30 over Beaver Creek

Good

Boone County, Iowa · 1.1 Mi. W of Jct. SR P54 · Structure no. 000000000015151

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
3,950
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 over Beaver Creek is a concrete continuous slab carrying US 30 over Beaver Creek in Boone County, Iowa. It was built in 2008, so it is 17 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 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 3,950 vehicles a day, roughly 22% of them trucks, projected to reach 3,950 by 2044. The structure is 150 ft (45.7 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 30
CrossesBeaver Creek
Location1.1 Mi. W of Jct. SR P54
RouteU.S. Route 30
StateIowa
Coordinates42.03465, -94.14689
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span59 ft (18 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,950 (2022)
Projected traffic3,950 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 30 over Beaver Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 30 over 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 August 2024.

How much traffic does US 30 over Beaver Creek carry?

About 3,950 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is US 30 over Beaver Creek?

The structure is 150 ft (45.7 m) long with a longest span of 59 ft (18 m) and a deck 47 ft wide.

Who owns US 30 over Beaver Creek?

It is owned by the State Highway Agency.