US Bridges

US 63 over Beaver Creek

Good

Howard County, Iowa · 1.3 Mi. N Jct. SR A23 · Structure no. 000000000028701

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
147 ft
3 main spans
Daily traffic
3,290
2022 count
Owner
State
State Highway Agency

About this bridge

US 63 over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying US 63 over Beaver Creek in Howard 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 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 3,290 vehicles a day, roughly 33% of them trucks, projected to reach 3,290 by 2044. The structure is 147 ft (44.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 63
CrossesBeaver Creek
Location1.3 Mi. N Jct. SR A23
RouteU.S. Route 63
StateIowa
Coordinates43.45978, -92.30594
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.6 US tons
Inventory rating47.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span61 ft (18.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,290 (2022)
Projected traffic3,290 by 2044
Trucks33%
Lanes on structure2
Traffic directionTwo-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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 63 over Beaver Creek built?

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

What condition is US 63 over Beaver 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 September 2024.

How much traffic does US 63 over Beaver Creek carry?

About 3,290 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is US 63 over Beaver Creek?

The structure is 147 ft (44.8 m) long with a longest span of 61 ft (18.6 m) and a deck 47 ft wide.

Who owns US 63 over Beaver Creek?

It is owned by the State Highway Agency.