US Bridges

US 63 over Wolf Creek

Good

Tama County, Iowa · 0.4 Mile North of Ia 8 · Structure no. 000000000049631

Built
1972
53 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
251 ft
3 main spans
Daily traffic
4,170
2022 count
Owner
State
State Highway Agency

About this bridge

US 63 over Wolf Creek is a prestressed concrete stringer/multi-beam or girder carrying US 63 over Wolf Creek in Tama County, Iowa. It was built in 1972, so it is 53 years old, older 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 4,170 vehicles a day, roughly 14% of them trucks, projected to reach 4,170 by 2042. The structure is 251 ft (76.5 m) long and 47 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 63
CrossesWolf Creek
Location0.4 Mile North of Ia 8
RouteU.S. Route 63
StateIowa
Coordinates42.19827, -92.46549
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.4 US tons
Inventory rating27.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length251 ft (76.5 m)
Longest span96 ft (29.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,170 (2022)
Projected traffic4,170 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Wolf Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 63 over Wolf 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 August 2023.

How much traffic does US 63 over Wolf Creek carry?

About 4,170 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US 63 over Wolf Creek?

The structure is 251 ft (76.5 m) long with a longest span of 96 ft (29.3 m) and a deck 47 ft wide.

Who owns US 63 over Wolf Creek?

It is owned by the State Highway Agency.