US Bridges

FM over Jones Creek

Poor

Madison County, Iowa · 075273102 · Structure no. 000000000034740

Built
1929
96 years old
Condition
Poor
inspected August 2023
Type
Arch - Deck
Concrete
Length
47 ft
1 main span
Daily traffic
788
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Jones Creek is a concrete arch - deck carrying FM over Jones Creek in Madison County, Iowa. It was built in 1929, so it is 96 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 788 vehicles a day, projected to reach 788 by 2043. The structure is 47 ft (14.3 m) long and 46 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesFM
CrossesJones Creek
Location075273102
RouteCounty Highway 0
StateIowa
Coordinates41.25487, -94.01331
Functional classRural Major 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
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length47 ft (14.3 m)
Longest span47 ft (14.3 m)
Deck width46 ft (14 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic788 (2022)
Projected traffic788 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$756,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Jones Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is FM over Jones 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 August 2023.

How much traffic does FM over Jones Creek carry?

About 788 vehicles per day (2022 count).

How long is FM over Jones Creek?

The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 46 ft wide.

Who owns FM over Jones Creek?

It is owned by the County Highway Agency.