US Bridges

FM 110 Ave over Spring Branch

Good

Delaware County, Iowa · 089062002 · Structure no. 000000000142011

Built
1992
33 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
206
2022 count
Owner
County
County Highway Agency

About this bridge

FM 110 Ave over Spring Branch is a concrete continuous slab carrying FM 110 Ave over Spring Branch in Delaware County, Iowa. It was built in 1992, so it is 33 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 206 vehicles a day, roughly 25% of them trucks, projected to reach 206 by 2044. The structure is 91 ft (27.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 110 Ave
CrossesSpring Branch
Location089062002
RouteCounty Highway 0
StateIowa
Coordinates42.50477, -91.58818
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating68 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic206 (2022)
Projected traffic206 by 2044
Trucks25%
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 110 Ave over Spring Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is FM 110 Ave over Spring Branch 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 2024.

How much traffic does FM 110 Ave over Spring Branch carry?

About 206 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is FM 110 Ave over Spring Branch?

The structure is 91 ft (27.7 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns FM 110 Ave over Spring Branch?

It is owned by the County Highway Agency.