US Bridges

150th Avenue over Creek

Good

Clinton County, Iowa · 083E12504 · Structure no. 000000000124552

Built
2013
12 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

150th Avenue over Creek is a prestressed concrete stringer/multi-beam or girder carrying 150th Avenue over Creek in Clinton 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 35 vehicles a day, projected to reach 35 by 2043. The structure is 24 ft (7.3 m) long and 31 ft wide.

Carries150th Avenue
CrossesCreek
Location083E12504
RouteCounty Highway 0
StateIowa
Coordinates41.9712, -90.80109
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 150th Avenue over Creek built?

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

What condition is 150th Avenue over 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 2022.

How much traffic does 150th Avenue over Creek carry?

About 35 vehicles per day (2022 count).

How long is 150th Avenue over Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 31 ft wide.

Who owns 150th Avenue over Creek?

It is owned by the County Highway Agency.