US Bridges

FM over Panther Creek

Fair

Dallas County, Iowa · 080292301 · Structure no. 000000000132180

Built
1967
58 years old
Condition
Fair
inspected November 2022
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
170
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Panther Creek is a concrete slab carrying FM over Panther Creek in Dallas County, Iowa. It was built in 1967, so it is 58 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 6 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 170 vehicles a day, roughly 15% of them trucks, projected to reach 170 by 2043. The structure is 26 ft (7.9 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFM
CrossesPanther Creek
Location080292301
RouteCounty Highway 0
CountyDallas County
StateIowa
Coordinates41.73178, -94.18367
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating55.9 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2022)
Projected traffic170 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Panther Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is FM over Panther 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 2022.

How much traffic does FM over Panther Creek carry?

About 170 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FM over Panther Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns FM over Panther Creek?

It is owned by the County Highway Agency.