US Bridges

310th Ave over DR to Carruthers Creek

Good

Lucas County, Iowa · 073201502 · Structure no. 000000000226921

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
21 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

310th Ave over DR to Carruthers Creek is a steel culvert carrying 310th Ave over DR to Carruthers Creek in Lucas County, Iowa. It was built in 2013, so it is 12 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries310th Ave
CrossesDR to Carruthers Creek
Location073201502
RouteCounty Highway 0
CountyLucas County
StateIowa
Coordinates41.12649, -93.15647
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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span5 ft (1.5 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 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 310th Ave over DR to Carruthers Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is 310th Ave over DR to Carruthers 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 2023.

How much traffic does 310th Ave over DR to Carruthers Creek carry?

About 26 vehicles per day (2022 count).

How long is 310th Ave over DR to Carruthers Creek?

The structure is 21 ft (6.4 m) long with a longest span of 5 ft (1.5 m).

Who owns 310th Ave over DR to Carruthers Creek?

It is owned by the County Highway Agency.