US Bridges

US 63 over Little Bear Creek

Fair

Poweshiek County, Iowa · 0.2 Miles North of I 80 · Structure no. 000000000045831

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
2,130
2022 count
Owner
State
State Highway Agency

About this bridge

US 63 over Little Bear Creek is a concrete continuous slab carrying US 63 over Little Bear Creek in Poweshiek County, Iowa. It was built in 1993, so it is 32 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 6 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 2,130 vehicles a day, roughly 18% of them trucks, projected to reach 2,130 by 2044. The structure is 133 ft (40.5 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS 63
CrossesLittle Bear Creek
Location0.2 Miles North of I 80
RouteU.S. Route 63
StateIowa
Coordinates41.70218, -92.55216
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating37.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span51 ft (15.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,130 (2022)
Projected traffic2,130 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Little Bear Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 63 over Little Bear 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 May 2024.

How much traffic does US 63 over Little Bear Creek carry?

About 2,130 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 63 over Little Bear Creek?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 43 ft wide.

Who owns US 63 over Little Bear Creek?

It is owned by the State Highway Agency.