US Bridges

FM over Maple Creek

Good

Ida County, Iowa · 087413504 · Structure no. 000000000186541

Built
2007
18 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
291 ft
3 main spans
Daily traffic
459
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Maple Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Maple Creek in Ida County, Iowa. It was built in 2007, so it is 18 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 459 vehicles a day, roughly 19% of them trucks, projected to reach 459 by 2044. The structure is 291 ft (88.7 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFM
CrossesMaple Creek
Location087413504
RouteCounty Highway 0
StateIowa
Coordinates42.30836, -95.59405
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
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 alignment7: Better than present minimum criteria
Operating rating76.7 US tons
Inventory rating45.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length291 ft (88.7 m)
Longest span96 ft (29.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic459 (2022)
Projected traffic459 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Maple Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is FM over Maple 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 2024.

How much traffic does FM over Maple Creek carry?

About 459 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is FM over Maple Creek?

The structure is 291 ft (88.7 m) long with a longest span of 96 ft (29.3 m) and a deck 33 ft wide.

Who owns FM over Maple Creek?

It is owned by the County Highway Agency.