US Bridges

County Road over Branch Panther Creek

FairPosted for load

Dallas County, Iowa · 080283303 · Structure no. 000000000132130

Built
1925
100 years old
Condition
Fair
inspected November 2022
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
72
2022 count
Owner
County
County Highway Agency

About this bridge

County Road over Branch Panther Creek is a concrete slab carrying County Road over Branch Panther Creek in Dallas County, Iowa. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 72 vehicles a day, projected to reach 72 by 2043. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Road
CrossesBranch Panther Creek
Location080283303
RouteCounty Highway 0
CountyDallas County
StateIowa
Coordinates41.7029, -94.11241
Functional classRural Local

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.
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 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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating15.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2022)
Projected traffic72 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 County Road over Branch Panther Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is County Road over Branch 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 County Road over Branch Panther Creek carry?

About 72 vehicles per day (2022 count).

How long is County Road over Branch Panther Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns County Road over Branch Panther Creek?

It is owned by the County Highway Agency.