US Bridges

FM over Indian Creek

Good

Washington County, Iowa · 074080710 · Structure no. 000000000335921

Built
1997
28 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
139 ft
3 main spans
Daily traffic
90
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Indian Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Indian Creek in Washington County, Iowa. It was built in 1997, so it is 28 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 90 vehicles a day, projected to reach 90 by 2043. The structure is 139 ft (42.4 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFM
CrossesIndian Creek
Location074080710
RouteCounty Highway 0
StateIowa
Coordinates41.22891, -91.81657
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.2 US tons
Inventory rating49.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span51 ft (15.5 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic90 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 FM over Indian Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is FM over Indian 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 February 2023.

How much traffic does FM over Indian Creek carry?

About 90 vehicles per day (2022 count).

How long is FM over Indian Creek?

The structure is 139 ft (42.4 m) long with a longest span of 51 ft (15.5 m) and a deck 33 ft wide.

Who owns FM over Indian Creek?

It is owned by the County Highway Agency.