US Bridges

FM 245th Ave over Small Stream

Good

Delaware County, Iowa · 087043308 · Structure no. 000000000139741

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
390
2021 count
Owner
County
County Highway Agency

About this bridge

FM 245th Ave over Small Stream is a concrete continuous slab carrying FM 245th Ave over Small Stream 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 390 vehicles a day, roughly 16% of them trucks, projected to reach 390 by 2043. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 245th Ave
CrossesSmall Stream
Location087043308
RouteCounty Highway 0
StateIowa
Coordinates42.30065, -91.31513
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 inspectionMarch 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 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 length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2021)
Projected traffic390 by 2043
Trucks16%
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 245th Ave over Small Stream built?

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

What condition is FM 245th Ave over Small Stream 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 March 2023.

How much traffic does FM 245th Ave over Small Stream carry?

About 390 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is FM 245th Ave over Small Stream?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.

Who owns FM 245th Ave over Small Stream?

It is owned by the County Highway Agency.