US Bridges

FM over North Elk Creek

Poor

Decatur County, Iowa · 069273402 · Structure no. 000000000022790

Built
1939
86 years old, rebuilt 1991
Condition
Poor
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
278
2022 count
Owner
County
County Highway Agency

About this bridge

FM over North Elk Creek is a steel continuous stringer/multi-beam or girder carrying FM over North Elk Creek in Decatur County, Iowa. It was built in 1939 and reconstructed in 1991, so it is 86 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 278 vehicles a day, roughly 24% of them trucks, projected to reach 278 by 2042. The structure is 154 ft (46.9 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM
CrossesNorth Elk Creek
Location069273402
RouteCounty Highway 0
StateIowa
Coordinates40.73842, -93.95757
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 inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.4 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length154 ft (46.9 m)
Longest span59 ft (18 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic278 (2022)
Projected traffic278 by 2042
Trucks24%
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 North Elk Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1991.

What condition is FM over North Elk 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 November 2022.

How much traffic does FM over North Elk Creek carry?

About 278 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is FM over North Elk Creek?

The structure is 154 ft (46.9 m) long with a longest span of 59 ft (18 m) and a deck 29 ft wide.

Who owns FM over North Elk Creek?

It is owned by the County Highway Agency.