US Bridges

210th ST over Drainage Ditch

Fair

Bremer County, Iowa · 092143207 · Structure no. 000000000015520

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,650
2022 count
Owner
County
County Highway Agency

About this bridge

210th ST over Drainage Ditch is a concrete continuous culvert carrying 210th ST over Drainage Ditch in Bremer County, Iowa. It was built in 1966, so it is 59 years old, older 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 6 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 1,650 vehicles a day, roughly 5% of them trucks, projected to reach 1,650 by 2044. The structure is 21 ft (6.3 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries210th ST
CrossesDrainage Ditch
Location092143207
RouteCounty Highway 0
StateIowa
Coordinates42.74458, -92.52438
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2022)
Projected traffic1,650 by 2044
Trucks5%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 210th ST over Drainage Ditch built?

It was built in 1966, making it 59 years old in 2025.

What condition is 210th ST over Drainage Ditch 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 April 2024.

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

About 1,650 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 210th ST over Drainage Ditch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 48 ft wide.

Who owns 210th ST over Drainage Ditch?

It is owned by the County Highway Agency.