US Bridges

Forest Ave over Coldwater Creek

Good

Butler County, Iowa · Forest Ave. N. of 110th · Structure no. 000000000089861

Built
2017
8 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Forest Ave over Coldwater Creek is a steel culvert carrying Forest Ave over Coldwater Creek in Butler County, Iowa. It was built in 2017, so it is 8 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesForest Ave
CrossesColdwater Creek
LocationForest Ave. N. of 110th
RouteCounty Highway 0
StateIowa
Coordinates42.89463, -92.92654
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating41 US tons
Inventory rating24.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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$60,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest Ave over Coldwater Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Forest Ave over Coldwater 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 April 2024.

How much traffic does Forest Ave over Coldwater Creek carry?

About 26 vehicles per day (2022 count).

How long is Forest Ave over Coldwater Creek?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m).

Who owns Forest Ave over Coldwater Creek?

It is owned by the County Highway Agency.