US Bridges

FM over Indian Creek

Poor

Montgomery County, Iowa · 073390901 · Structure no. 000000000256730

Built
1957
68 years old, rebuilt 1971
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
3 main spans
Daily traffic
270
2021 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 Montgomery County, Iowa. It was built in 1957 and reconstructed in 1971, so it is 68 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 270 vehicles a day, roughly 23% of them trucks, projected to reach 270 by 2043. The structure is 108 ft (32.9 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesFM
CrossesIndian Creek
Location073390901
RouteCounty Highway 0
StateIowa
Coordinates41.14569, -95.33426
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length108 ft (32.9 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2021)
Projected traffic270 by 2043
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Indian Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1971.

What condition is FM over Indian 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 May 2023.

How much traffic does FM over Indian Creek carry?

About 270 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is FM over Indian Creek?

The structure is 108 ft (32.9 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns FM over Indian Creek?

It is owned by the County Highway Agency.