US Bridges

FM 110th Ave over Robinson Creek

Good

Delaware County, Iowa · 087060502 · Structure no. 000000000140061

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
334
2022 count
Owner
County
County Highway Agency

About this bridge

FM 110th Ave over Robinson Creek is a concrete continuous slab carrying FM 110th Ave over Robinson Creek in Delaware County, Iowa. It was built in 2008, so it is 17 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 334 vehicles a day, projected to reach 334 by 2044. The structure is 113 ft (34.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 110th Ave
CrossesRobinson Creek
Location087060502
RouteCounty Highway 0
CountyDelaware County
StateIowa
Coordinates42.38011, -91.57927
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span43 ft (13.1 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic334 (2022)
Projected traffic334 by 2044
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 110th Ave over Robinson Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is FM 110th Ave over Robinson 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 October 2024.

How much traffic does FM 110th Ave over Robinson Creek carry?

About 334 vehicles per day (2022 count).

How long is FM 110th Ave over Robinson Creek?

The structure is 113 ft (34.4 m) long with a longest span of 43 ft (13.1 m) and a deck 31 ft wide.

Who owns FM 110th Ave over Robinson Creek?

It is owned by the County Highway Agency.