US Bridges

Timber Ave over Beaver Creek

Good

Mitchell County, Iowa · .2 M N of 430th · Structure no. 000000000248291

Built
2012
13 years old
Condition
Good
inspected December 2023
Type
Culvert
Steel
Length
37 ft
3 main spans
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

Timber Ave over Beaver Creek is a steel culvert carrying Timber Ave over Beaver Creek in Mitchell County, Iowa. It was built in 2012, so it is 13 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 39 vehicles a day, projected to reach 39 by 2043. The structure is 37 ft (11.4 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTimber Ave
CrossesBeaver Creek
Location.2 M N of 430th
RouteCounty Highway 0
StateIowa
Coordinates43.38841, -92.65374
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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length37 ft (11.4 m)
Longest span9 ft (2.8 m)
Deck width43 ft (13 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2022)
Projected traffic39 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Timber Ave over Beaver Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Timber 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 December 2023.

How much traffic does Timber Ave over Beaver Creek carry?

About 39 vehicles per day (2022 count).

How long is Timber Ave over Beaver Creek?

The structure is 37 ft (11.4 m) long with a longest span of 9 ft (2.8 m) and a deck 43 ft wide.

Who owns Timber Ave over Beaver Creek?

It is owned by the County Highway Agency.