US Bridges

F58 Littlefield DR over Creek

Good

Audubon County, Iowa · FM 078340802 · Structure no. 000000000066421

Built
2005
20 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
548
2022 count
Owner
County
County Highway Agency

About this bridge

F58 Littlefield DR over Creek is a concrete continuous slab carrying F58 Littlefield DR over Creek in Audubon County, Iowa. It was built in 2005, so it is 20 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 548 vehicles a day, roughly 15% of them trucks, projected to reach 548 by 2043. The structure is 125 ft (38.1 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesF58 Littlefield DR
CrossesCreek
LocationFM 078340802
RouteCounty Highway 0
StateIowa
Coordinates41.57212, -94.7966
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.4 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span48 ft (14.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic548 (2022)
Projected traffic548 by 2043
Trucks15%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was F58 Littlefield DR over Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is F58 Littlefield DR 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 April 2023.

How much traffic does F58 Littlefield DR over Creek carry?

About 548 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is F58 Littlefield DR over Creek?

The structure is 125 ft (38.1 m) long with a longest span of 48 ft (14.6 m) and a deck 32 ft wide.

Who owns F58 Littlefield DR over Creek?

It is owned by the County Highway Agency.