US Bridges

FM over Creek

Poor

Woodbury County, Iowa · 087451002 · Structure no. 000000000352380

Built
1955
70 years old
Condition
Poor
inspected July 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
549
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Creek is a concrete continuous culvert carrying FM over Creek in Woodbury County, Iowa. It was built in 1955, so it is 70 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 549 vehicles a day, roughly 23% of them trucks, projected to reach 549 by 2044. The structure is 24 ft (7.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM
CrossesCreek
Location087451002
RouteCounty Highway 0
StateIowa
Coordinates42.36922, -96.0776
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating51.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic549 (2022)
Projected traffic549 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does FM over Creek carry?

About 549 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is FM over Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 38 ft wide.

Who owns FM over Creek?

It is owned by the County Highway Agency.