US Bridges

US 63 NB over Crane Creek

Good

Bremer County, Iowa · 1.5 Mi. S of Jct. 188 · Structure no. 000000000608415

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
2,950
2022 count
Owner
State
State Highway Agency

About this bridge

US 63 NB over Crane Creek is a concrete continuous culvert carrying US 63 NB over Crane Creek 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 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 2,950 vehicles a day, roughly 18% of them trucks, projected to reach 2,950 by 2043. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 63 NB
CrossesCrane Creek
Location1.5 Mi. S of Jct. 188
RouteU.S. Route 63
StateIowa
Coordinates42.82601, -92.33707
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2022)
Projected traffic2,950 by 2043
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 63 NB over Crane Creek built?

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

What condition is US 63 NB over Crane 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 December 2023.

How much traffic does US 63 NB over Crane Creek carry?

About 2,950 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 63 NB over Crane Creek?

The structure is 45 ft (13.7 m) long with a longest span of 12 ft (3.7 m).

Who owns US 63 NB over Crane Creek?

It is owned by the State Highway Agency.