US Bridges

FM over Brushy Creek

Fair

Guthrie County, Iowa · 081332202 · Structure no. 000000000170481

Built
1972
53 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
3 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Brushy Creek is a steel continuous stringer/multi-beam or girder carrying FM over Brushy Creek in Guthrie County, Iowa. It was built in 1972, so it is 53 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 71 vehicles a day, projected to reach 71 by 2043. The structure is 175 ft (53.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM
CrossesBrushy Creek
Location081332202
RouteCounty Highway 0
CountyGuthrie County
StateIowa
Coordinates41.80981, -94.68584
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.5 US tons
Inventory rating24.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length175 ft (53.3 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Brushy Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is FM over Brushy Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does FM over Brushy Creek carry?

About 71 vehicles per day (2022 count).

How long is FM over Brushy Creek?

The structure is 175 ft (53.3 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns FM over Brushy Creek?

It is owned by the County Highway Agency.