US Bridges

US 63 over Quarter Section Run

Good

Bremer County, Iowa · At Jct. Iowa 3 · Structure no. 000000000608150

Built
2010
15 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
52 ft
3 main spans
Daily traffic
6,400
2022 count
Owner
State
State Highway Agency

About this bridge

US 63 over Quarter Section Run is a concrete continuous culvert carrying US 63 over Quarter Section Run in Bremer 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,400 vehicles a day, roughly 18% of them trucks, projected to reach 6,400 by 2044. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 63
CrossesQuarter Section Run
LocationAt Jct. Iowa 3
RouteU.S. Route 63
StateIowa
Coordinates42.71678, -92.33709
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2022)
Projected traffic6,400 by 2044
Trucks18%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 63 over Quarter Section Run built?

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

What condition is US 63 over Quarter Section Run 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 July 2024.

How much traffic does US 63 over Quarter Section Run carry?

About 6,400 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 63 over Quarter Section Run?

The structure is 52 ft (15.9 m) long with a longest span of 18 ft (5.5 m).

Who owns US 63 over Quarter Section Run?

It is owned by the State Highway Agency.