US Bridges

FM 140th Ave over Small Stream

Poor

Delaware County, Iowa · 088061102 · Structure no. 000000000141131

Built
1972
53 years old
Condition
Poor
inspected February 2023
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

FM 140th Ave over Small Stream is a concrete tee beam carrying FM 140th Ave over Small Stream in Delaware County, Iowa. It was built in 1972, so it is 53 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 69 vehicles a day, projected to reach 69 by 2043. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 140th Ave
CrossesSmall Stream
Location088061102
RouteCounty Highway 0
CountyDelaware County
StateIowa
Coordinates42.44471, -91.52009
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 by 2043
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 Small Stream built?

It was built in 1972, making it 53 years old in 2025.

What condition is FM 140th Ave over Small Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does FM 140th Ave over Small Stream carry?

About 69 vehicles per day (2022 count).

How long is FM 140th Ave over Small Stream?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 30 ft wide.

Who owns FM 140th Ave over Small Stream?

It is owned by the County Highway Agency.