US Bridges

South ST over Davids Creek

Fair

Audubon County, Iowa · 000000000 · Structure no. 000000000004651

Built
1995
30 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
346
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

South ST over Davids Creek is a concrete continuous slab carrying South ST over Davids Creek in Audubon County, Iowa. It was built in 1995, so it is 30 years old, younger 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 346 vehicles a day, projected to reach 346 by 2044. The structure is 144 ft (43.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSouth ST
CrossesDavids Creek
Location000000000
RouteCity Street 0
CountyAudubon County
StateIowa
Coordinates41.58753, -94.8863
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating63.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span54 ft (16.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic346 (2022)
Projected traffic346 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 South ST over Davids Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is South ST over Davids 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 2024.

How much traffic does South ST over Davids Creek carry?

About 346 vehicles per day (2022 count).

How long is South ST over Davids Creek?

The structure is 144 ft (43.9 m) long with a longest span of 54 ft (16.6 m) and a deck 31 ft wide.

Who owns South ST over Davids Creek?

It is owned by the City or Municipal Highway Agency.