Local over Prairie Creek

Good

Humboldt County, Iowa · 093271404 · Structure no. 000000000185051

Built: 2008; 17 years old
Condition: Good; inspected November 2022
Type: Slab; Concrete Continuous
Length: 133 ft; 3 main spans
Daily traffic: 50; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Prairie Creek is a concrete continuous slab carrying Local over Prairie Creek in Humboldt County, Iowa. It was built in 2008, so it is 17 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 133 ft (40.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps

CarriesLocal

CrossesPrairie Creek

Location093271404

RouteCounty Highway 0

CountyHumboldt County

StateIowa

Coordinates42.87105, -93.99376

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.

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionNovember 2022

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 alignment6: Equal to present minimum criteria

Operating rating79.7 US tons

Inventory rating47.7 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length133 ft (40.5 m)

Longest span51 ft (15.5 m)

Deck width25 ft (7.5 m)

Roadway width25 ft (7.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)

Projected traffic50 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 statusPossibly eligible for the National Register; requires further investigation

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Prairie Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Local over Prairie 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 2022.

How much traffic does Local over Prairie Creek carry?

About 50 vehicles per day (2022 count).

How long is Local over Prairie Creek?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 25 ft wide.

Who owns Local over Prairie Creek?

It is owned by the County Highway Agency.