US Bridges

SB US 61 over 210th ST

Fair

Scott County, Iowa · 1.1 Mi. N of Jct. I-80 · Structure no. 000000000604655

Built
1981
44 years old
Condition
Fair
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
3 main spans
Daily traffic
15,250
2022 count
Owner
State
State Highway Agency

About this bridge

SB US 61 over 210th ST is a steel continuous stringer/multi-beam or girder carrying SB US 61 over 210th ST in Scott County, Iowa. It was built in 1981, so it is 44 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 15,250 vehicles a day, roughly 11% of them trucks, projected to reach 15,250 by 2042. The structure is 263 ft (80.2 m) long and 55 ft wide.

Location

Open in Google Maps
CarriesSB US 61
Crosses210th ST
Location1.1 Mi. N of Jct. I-80
RouteU.S. Route 61
CountyScott County
StateIowa
Coordinates41.61143, -90.56332
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.4 US tons
Inventory rating44.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length263 ft (80.2 m)
Longest span125 ft (38.1 m)
Deck width55 ft (16.7 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,250 (2022)
Projected traffic15,250 by 2042
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SB US 61 over 210th ST built?

It was built in 1981, making it 44 years old in 2025.

What condition is SB US 61 over 210th ST 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 2022.

How much traffic does SB US 61 over 210th ST carry?

About 15,250 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SB US 61 over 210th ST?

The structure is 263 ft (80.2 m) long with a longest span of 125 ft (38.1 m) and a deck 55 ft wide.

Who owns SB US 61 over 210th ST?

It is owned by the State Highway Agency.