US Bridges

Stone City Rd. over Crow Creek

Poor

Jones County, Iowa · 084040603 · Structure no. 000000000207700

Built
1975
50 years old
Condition
Poor
inspected December 2022
Type
Channel Beam
Concrete
Length
62 ft
2 main spans
Daily traffic
295
2022 count
Owner
County
County Highway Agency

About this bridge

Stone City Rd. over Crow Creek is a concrete channel beam carrying Stone City Rd. over Crow Creek in Jones 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 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 295 vehicles a day, projected to reach 295 by 2043. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesStone City Rd.
CrossesCrow Creek
Location084040603
RouteCounty Highway 0
StateIowa
Coordinates42.11729, -91.3607
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length62 ft (18.9 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2022)
Projected traffic295 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Stone City Rd. over Crow Creek built?

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

What condition is Stone City Rd. over Crow 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 December 2022.

How much traffic does Stone City Rd. over Crow Creek carry?

About 295 vehicles per day (2022 count).

How long is Stone City Rd. over Crow Creek?

The structure is 62 ft (18.9 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Stone City Rd. over Crow Creek?

It is owned by the County Highway Agency.