US Bridges

FM - 180th Ave over Sand Creek

Good

Delaware County, Iowa · 088050804 · Structure no. 000000000140881

Built
1981
44 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
960
2021 count
Owner
County
County Highway Agency

About this bridge

FM - 180th Ave over Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying FM - 180th Ave over Sand Creek in Delaware County, Iowa. It was built in 1981, so it is 44 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 960 vehicles a day, projected to reach 960 by 2043. The structure is 98 ft (29.9 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM - 180th Ave
CrossesSand Creek
Location088050804
RouteCounty Highway 0
StateIowa
Coordinates42.44821, -91.445
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span96 ft (29.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2021)
Projected traffic960 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 - 180th Ave over Sand Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is FM - 180th Ave over Sand Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does FM - 180th Ave over Sand Creek carry?

About 960 vehicles per day (2021 count).

How long is FM - 180th Ave over Sand Creek?

The structure is 98 ft (29.9 m) long with a longest span of 96 ft (29.3 m) and a deck 33 ft wide.

Who owns FM - 180th Ave over Sand Creek?

It is owned by the County Highway Agency.