US Bridges

FM over Middle Racoon

PoorPosted for load

Guthrie County, Iowa · 079301503 · Structure no. 000000000167720

Built
1958
67 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
3 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Middle Racoon is a steel continuous stringer/multi-beam or girder carrying FM over Middle Racoon in Guthrie County, Iowa. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, projected to reach 45 by 2043. The structure is 201 ft (61.3 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM
CrossesMiddle Racoon
Location079301503
RouteCounty Highway 0
StateIowa
Coordinates41.64803, -94.32706
Functional classRural Minor 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 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating29 US tons
Inventory rating17 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length201 ft (61.3 m)
Longest span78 ft (23.8 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$370,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Middle Racoon built?

It was built in 1958, making it 67 years old in 2025.

What condition is FM over Middle Racoon 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 2023.

How much traffic does FM over Middle Racoon carry?

About 45 vehicles per day (2022 count).

How long is FM over Middle Racoon?

The structure is 201 ft (61.3 m) long with a longest span of 78 ft (23.8 m) and a deck 22 ft wide.

Who owns FM over Middle Racoon?

It is owned by the County Highway Agency.