US Bridges

S 44th Ave W over Red Rock Creek

Fair

Jasper County, Iowa · 079211401 · Structure no. 000000000197365

Built
1975
50 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

S 44th Ave W over Red Rock Creek is a concrete continuous slab carrying S 44th Ave W over Red Rock Creek in Jasper County, Iowa. It was built in 1975, so it is 50 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 73 vehicles a day, projected to reach 73 by 2043. The structure is 88 ft (26.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS 44th Ave W
CrossesRed Rock Creek
Location079211401
RouteCounty Highway 0
StateIowa
Coordinates41.65912, -93.27088
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.5 US tons
Inventory rating33.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length88 ft (26.8 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S 44th Ave W over Red Rock Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is S 44th Ave W over Red Rock 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 April 2023.

How much traffic does S 44th Ave W over Red Rock Creek carry?

About 73 vehicles per day (2022 count).

How long is S 44th Ave W over Red Rock Creek?

The structure is 88 ft (26.8 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns S 44th Ave W over Red Rock Creek?

It is owned by the County Highway Agency.