US Bridges

Quinset Ave over Sand Creek

FairPosted for load

Buchanan County, Iowa · 087081504 · Structure no. 000000000081160

Built
1958
67 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
60
2021 count
Owner
County
County Highway Agency

About this bridge

Quinset Ave over Sand Creek is a concrete continuous slab carrying Quinset Ave over Sand Creek in Buchanan County, Iowa. It was built in 1958, so it is 67 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. Its operating status is: posted for other load-capacity restriction.

It carries about 60 vehicles a day, projected to reach 60 by 2043. The structure is 125 ft (38.1 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesQuinset Ave
CrossesSand Creek
Location087081504
RouteCounty Highway 0
StateIowa
Coordinates42.35287, -91.75969
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.1 US tons
Inventory rating11 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length125 ft (38.1 m)
Longest span50 ft (15.2 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2021)
Projected traffic60 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Quinset Ave over Sand Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Quinset Ave over Sand Creek 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 December 2024.

How much traffic does Quinset Ave over Sand Creek carry?

About 60 vehicles per day (2021 count).

How long is Quinset Ave over Sand Creek?

The structure is 125 ft (38.1 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.

Who owns Quinset Ave over Sand Creek?

It is owned by the County Highway Agency.