US Bridges

County RD over Creek

FairPosted for load

Audubon County, Iowa · 079351604 · Structure no. 000000000067630

Built
1926
99 years old, rebuilt 2013
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
58 ft
3 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

County RD over Creek is a wood or timber stringer/multi-beam or girder carrying County RD over Creek in Audubon County, Iowa. It was built in 1926 and reconstructed in 2013, so it is 99 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 other load-capacity restriction.

It carries about 11 vehicles a day, projected to reach 11 by 2044. The structure is 58 ft (17.7 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty RD
CrossesCreek
Location079351604
RouteCounty Highway 0
StateIowa
Coordinates41.64641, -94.93745
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span23 ft (7 m)
Deck width17 ft (5.3 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
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 County RD over Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2013.

What condition is County RD over 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 June 2024.

How much traffic does County RD over Creek carry?

About 11 vehicles per day (2022 count).

How long is County RD over Creek?

The structure is 58 ft (17.7 m) long with a longest span of 23 ft (7 m) and a deck 17 ft wide.

Who owns County RD over Creek?

It is owned by the County Highway Agency.