US Bridges

72nd St. over Small Creek

Fair

Jones County, Iowa · 084013505 · Structure no. 000000000207171

Built
1992
33 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

72nd St. over Small Creek is a prestressed concrete tee beam carrying 72nd St. over Small Creek in Jones County, Iowa. It was built in 1992, so it is 33 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 6 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 34 vehicles a day, projected to reach 34 by 2043. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries72nd St.
CrossesSmall Creek
Location084013505
RouteCounty Highway 0
StateIowa
Coordinates42.03732, -90.92544
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2043
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 72nd St. over Small Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is 72nd St. over Small 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 March 2023.

How much traffic does 72nd St. over Small Creek carry?

About 34 vehicles per day (2022 count).

How long is 72nd St. over Small Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns 72nd St. over Small Creek?

It is owned by the County Highway Agency.