US Bridges

FM 210th Ave over Small Stream

Fair

Delaware County, Iowa · 089052502 · Structure no. 000000000141841

Built
1984
41 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

FM 210th Ave over Small Stream is a prestressed concrete tee beam carrying FM 210th Ave over Small Stream in Delaware County, Iowa. It was built in 1984, so it is 41 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 29 vehicles a day, projected to reach 29 by 2043. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM 210th Ave
CrossesSmall Stream
Location089052502
RouteCounty Highway 0
CountyDelaware County
StateIowa
Coordinates42.48527, -91.39125
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$45,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 210th Ave over Small Stream built?

It was built in 1984, making it 41 years old in 2025.

What condition is FM 210th Ave over Small Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does FM 210th Ave over Small Stream carry?

About 29 vehicles per day (2022 count).

How long is FM 210th Ave over Small Stream?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns FM 210th Ave over Small Stream?

It is owned by the County Highway Agency.