US Bridges

Loc Quinn Ave over Buffalo CR East Branch

Good

Buchanan County, Iowa · 090080202 · Structure no. 000000000083511

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
16
2022 count
Owner
County
County Highway Agency

About this bridge

Loc Quinn Ave over Buffalo CR East Branch is a concrete continuous slab carrying Loc Quinn Ave over Buffalo CR East Branch in Buchanan County, Iowa. It was built in 2010, so it is 15 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 16 vehicles a day, projected to reach 16 by 2043. The structure is 140 ft (42.7 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesLoc Quinn Ave
CrossesBuffalo CR East Branch
Location090080202
RouteCounty Highway 0
CountyBuchanan County
StateIowa
Coordinates42.63644, -91.76549
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 protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span55 ft (16.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2022)
Projected traffic16 by 2043
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 Loc Quinn Ave over Buffalo CR East Branch built?

It was built in 2010, making it 15 years old in 2025.

What condition is Loc Quinn Ave over Buffalo CR East Branch 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 December 2023.

How much traffic does Loc Quinn Ave over Buffalo CR East Branch carry?

About 16 vehicles per day (2022 count).

How long is Loc Quinn Ave over Buffalo CR East Branch?

The structure is 140 ft (42.7 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.

Who owns Loc Quinn Ave over Buffalo CR East Branch?

It is owned by the County Highway Agency.