US Bridges

D-25 over Camp Creek

Poor

Woodbury County, Iowa · 087460305 · Structure no. 000000000053531

Built
1978
47 years old
Condition
Poor
inspected July 2024
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
977
2022 count
Owner
County
County Highway Agency

About this bridge

D-25 over Camp Creek is a concrete continuous slab carrying D-25 over Camp Creek in Woodbury County, Iowa. It was built in 1978, so it is 47 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 977 vehicles a day, roughly 5% of them trucks, projected to reach 977 by 2044. The structure is 128 ft (39 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesD-25
CrossesCamp Creek
Location087460305
RouteCounty Highway 0
StateIowa
Coordinates42.37623, -96.18424
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating76.7 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span49 ft (14.9 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic977 (2022)
Projected traffic977 by 2044
Trucks5%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was D-25 over Camp Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is D-25 over Camp 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 July 2024.

How much traffic does D-25 over Camp Creek carry?

About 977 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is D-25 over Camp Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 39 ft wide.

Who owns D-25 over Camp Creek?

It is owned by the County Highway Agency.