US Bridges

60th Ave over Creek

Fair

Scott County, Iowa · 080E23102 · Structure no. 000000000303361

Built
1998
27 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
1,280
2021 count
Owner
County
County Highway Agency

About this bridge

60th Ave over Creek is a concrete continuous slab carrying 60th Ave over Creek in Scott County, Iowa. It was built in 1998, so it is 27 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,280 vehicles a day, roughly 8% of them trucks, projected to reach 1,280 by 2043. The structure is 75 ft (22.9 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
Carries60th Ave
CrossesCreek
Location080E23102
RouteCounty Highway 0
CountyScott County
StateIowa
Coordinates41.69582, -90.7825
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.1 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,280 (2021)
Projected traffic1,280 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 60th Ave over Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is 60th Ave over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does 60th Ave over Creek carry?

About 1,280 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is 60th Ave over Creek?

The structure is 75 ft (22.9 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns 60th Ave over Creek?

It is owned by the County Highway Agency.