US Bridges

Ironwood Rd. over Turkey River

FairPosted for load

Fayette County, Iowa · 095082304 · Structure no. 000000000153020

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Truss - Thru
Steel
Length
274 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

Ironwood Rd. over Turkey River is a steel truss - thru carrying Ironwood Rd. over Turkey River in Fayette County, Iowa. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 25 by 2043. The structure is 274 ft (83.5 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIronwood Rd.
CrossesTurkey River
Location095082304
RouteCounty Highway 0
CountyFayette County
StateIowa
Coordinates43.02325, -91.76504
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.7 US tons
Inventory rating15.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length274 ft (83.5 m)
Longest span90 ft (27.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Ironwood Rd. over Turkey River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Ironwood Rd. over Turkey River 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 November 2023.

How much traffic does Ironwood Rd. over Turkey River carry?

About 25 vehicles per day (2022 count).

How long is Ironwood Rd. over Turkey River?

The structure is 274 ft (83.5 m) long with a longest span of 90 ft (27.4 m) and a deck 20 ft wide.

Who owns Ironwood Rd. over Turkey River?

It is owned by the County Highway Agency.