US Bridges

FM Thomas Ave over Dry Creek

Good

Buchanan County, Iowa · 087073106 · Structure no. 000000000080941

Built
1989
36 years old
Condition
Good
inspected December 2022
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
59
2022 count
Owner
County
County Highway Agency

About this bridge

FM Thomas Ave over Dry Creek is a concrete continuous slab carrying FM Thomas Ave over Dry Creek in Buchanan County, Iowa. It was built in 1989, so it is 36 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 59 vehicles a day, projected to reach 59 by 2042. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM Thomas Ave
CrossesDry Creek
Location087073106
RouteCounty Highway 0
StateIowa
Coordinates42.3017, -91.69997
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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.9 US tons
Inventory rating55.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2022)
Projected traffic59 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM Thomas Ave over Dry Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is FM Thomas Ave over Dry 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 December 2022.

How much traffic does FM Thomas Ave over Dry Creek carry?

About 59 vehicles per day (2022 count).

How long is FM Thomas Ave over Dry Creek?

The structure is 113 ft (34.4 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns FM Thomas Ave over Dry Creek?

It is owned by the County Highway Agency.