US Bridges

FM Robin Ave over South Turkey

Fair

Howard County, Iowa · 099122504 · Structure no. 000000000183090

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
422
2022 count
Owner
County
County Highway Agency

About this bridge

FM Robin Ave over South Turkey is a prestressed concrete stringer/multi-beam or girder carrying FM Robin Ave over South Turkey in Howard County, Iowa. It was built in 1966, so it is 59 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.

It carries about 422 vehicles a day, roughly 23% of them trucks, projected to reach 422 by 2044. The structure is 63 ft (19.2 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesFM Robin Ave
CrossesSouth Turkey
Location099122504
RouteCounty Highway 0
StateIowa
Coordinates43.36806, -92.21884
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.3 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length63 ft (19.2 m)
Longest span62 ft (18.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic422 (2022)
Projected traffic422 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 FM Robin Ave over South Turkey built?

It was built in 1966, making it 59 years old in 2025.

What condition is FM Robin Ave over South Turkey 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 June 2024.

How much traffic does FM Robin Ave over South Turkey carry?

About 422 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is FM Robin Ave over South Turkey?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.9 m) and a deck 30 ft wide.

Who owns FM Robin Ave over South Turkey?

It is owned by the County Highway Agency.