US Bridges

EB Ia 141 over Beaver Creek

Good

Dallas County, Iowa · 1.3 Mi. E of Jct. US 169 · Structure no. 000000000606765

Built
1997
28 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
3 main spans
Daily traffic
4,300
2022 count
Owner
State
State Highway Agency

About this bridge

EB Ia 141 over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying EB Ia 141 over Beaver Creek in Dallas County, Iowa. It was built in 1997, so it is 28 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 4,300 vehicles a day, roughly 8% of them trucks, projected to reach 4,300 by 2044. The structure is 229 ft (69.8 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEB Ia 141
CrossesBeaver Creek
Location1.3 Mi. E of Jct. US 169
RouteState Highway 141
StateIowa
Coordinates41.83483, -94.00254
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length229 ft (69.8 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 traffic4,300 (2022)
Projected traffic4,300 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 EB Ia 141 over Beaver Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is EB Ia 141 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 November 2024.

How much traffic does EB Ia 141 over Beaver Creek carry?

About 4,300 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is EB Ia 141 over Beaver Creek?

The structure is 229 ft (69.8 m) long with a longest span of 82 ft (25 m) and a deck 43 ft wide.

Who owns EB Ia 141 over Beaver Creek?

It is owned by the State Highway Agency.