US Bridges

12th Ave S over Clear Creek

Good

Cerro Gordo County, Iowa · 96211801 · Structure no. 000000000505395

Built
2016
9 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
818
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

12th Ave S over Clear Creek is a concrete slab carrying 12th Ave S over Clear Creek in Cerro Gordo County, Iowa. It was built in 2016, so it is 9 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 818 vehicles a day, projected to reach 818 by 2044. The structure is 31 ft (9.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries12th Ave S
CrossesClear Creek
Location96211801
RouteCity Street 0
CountyCerro Gordo County
StateIowa
Coordinates43.12652, -93.36741
Functional classUrban 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 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to 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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic818 (2022)
Projected traffic818 by 2044
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 12th Ave S over Clear Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is 12th Ave S over Clear 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 2024.

How much traffic does 12th Ave S over Clear Creek carry?

About 818 vehicles per day (2022 count).

How long is 12th Ave S over Clear Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns 12th Ave S over Clear Creek?

It is owned by the City or Municipal Highway Agency.