US Bridges

FM 210th ST over Drainage Ditch

Good

Franklin County, Iowa · 093193501 · Structure no. 000000000158291

Built
1986
39 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
422
2022 count
Owner
County
County Highway Agency

About this bridge

FM 210th ST over Drainage Ditch is a concrete continuous culvert carrying FM 210th ST over Drainage Ditch in Franklin County, Iowa. It was built in 1986, so it is 39 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 422 vehicles a day, roughly 35% of them trucks, projected to reach 422 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 210th ST
CrossesDrainage Ditch
Location093193501
RouteCounty Highway 0
StateIowa
Coordinates42.83307, -93.06074
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic422 (2022)
Projected traffic422 by 2043
Trucks35%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 210th ST over Drainage Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is FM 210th ST over Drainage Ditch 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 July 2023.

How much traffic does FM 210th ST over Drainage Ditch carry?

About 422 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is FM 210th ST over Drainage Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns FM 210th ST over Drainage Ditch?

It is owned by the County Highway Agency.