US Bridges

210th St. over Ames Creek

Good

Clinton County, Iowa · 00000 · Structure no. 000000000123902

Built
2011
14 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Concrete
Length
46 ft
1 main span
Daily traffic
123
2022 count
Owner
County
County Highway Agency

About this bridge

210th St. over Ames Creek is a concrete tee beam carrying 210th St. over Ames Creek in Clinton County, Iowa. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 123 vehicles a day, projected to reach 123 by 2044. The structure is 46 ft (14 m) long and 28 ft wide.

Carries210th St.
CrossesAmes Creek
Location00000
RouteCounty Highway 0
StateIowa
Coordinates41.873, -90.54058
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2022)
Projected traffic123 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 210th St. over Ames Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is 210th St. over Ames Creek 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 April 2024.

How much traffic does 210th St. over Ames Creek carry?

About 123 vehicles per day (2022 count).

How long is 210th St. over Ames Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns 210th St. over Ames Creek?

It is owned by the County Highway Agency.