US Bridges

FM over Tipton Creek

Fair

Hardin County, Iowa · 087211701 · Structure no. 000000000175680

Built
1968
57 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
236
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Tipton Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Tipton Creek in Hardin County, Iowa. It was built in 1968, so it is 57 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 236 vehicles a day, roughly 32% of them trucks, projected to reach 236 by 2043. The structure is 86 ft (26.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesTipton Creek
Location087211701
RouteCounty Highway 0
StateIowa
Coordinates42.35381, -93.32816
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.6 US tons
Inventory rating34.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length86 ft (26.2 m)
Longest span83 ft (25.3 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2022)
Projected traffic236 by 2043
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Tipton Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is FM over Tipton 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 February 2023.

How much traffic does FM over Tipton Creek carry?

About 236 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is FM over Tipton Creek?

The structure is 86 ft (26.2 m) long with a longest span of 83 ft (25.3 m) and a deck 34 ft wide.

Who owns FM over Tipton Creek?

It is owned by the County Highway Agency.