US Bridges

Forest Ave over Beaver Creek

Good

Butler County, Iowa · Forest Ave. N. of HWY 57 · Structure no. 000000000087341

Built
2018
7 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

Forest Ave over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying Forest Ave over Beaver Creek in Butler County, Iowa. It was built in 2018, so it is 7 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 73 vehicles a day, projected to reach 73 by 2044. The structure is 201 ft (61.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesForest Ave
CrossesBeaver Creek
LocationForest Ave. N. of HWY 57
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.59452, -92.92737
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length201 ft (61.4 m)
Longest span73 ft (22.3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.7 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest Ave over Beaver Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Forest Ave 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 March 2023.

How much traffic does Forest Ave over Beaver Creek carry?

About 73 vehicles per day (2022 count).

How long is Forest Ave over Beaver Creek?

The structure is 201 ft (61.4 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.

Who owns Forest Ave over Beaver Creek?

It is owned by the County Highway Agency.