US Bridges

FM 140th Ave over Sand Creek

Good

Delaware County, Iowa · 1.1 Mi. North of CR D34 · Structure no. 000000000141171

Built
2011
14 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

FM 140th Ave over Sand Creek is a concrete continuous slab carrying FM 140th Ave over Sand Creek in Delaware County, Iowa. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49 vehicles a day, projected to reach 49 by 2044. The structure is 103 ft (31.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 140th Ave
CrossesSand Creek
Location1.1 Mi. North of CR D34
RouteCounty Highway 0
StateIowa
Coordinates42.43606, -91.52003
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2044
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 140th Ave over Sand Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is FM 140th 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 January 2024.

How much traffic does FM 140th Ave over Sand Creek carry?

About 49 vehicles per day (2022 count).

How long is FM 140th Ave over Sand Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns FM 140th Ave over Sand Creek?

It is owned by the County Highway Agency.