US Bridges

US 63 NB over CO RD G-77

Good

Wapello County, Iowa · 0.9 Mi. N of Ia 137 · Structure no. 000000000608810

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
3 main spans
Daily traffic
5,300
2022 count
Owner
State
State Highway Agency

About this bridge

US 63 NB over CO RD G-77 is a prestressed concrete stringer/multi-beam or girder carrying US 63 NB over CO RD G-77 in Wapello County, Iowa. It was built in 2001, so it is 24 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 5,300 vehicles a day, roughly 22% of them trucks, projected to reach 5,300 by 2042. The structure is 179 ft (54.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 63 NB
CrossesCO RD G-77
Location0.9 Mi. N of Ia 137
RouteU.S. Route 63
StateIowa
Coordinates41.16116, -92.62217
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.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span69 ft (21 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2022)
Projected traffic5,300 by 2042
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 CO RD G-77 built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 63 NB over CO RD G-77 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 February 2024.

How much traffic does US 63 NB over CO RD G-77 carry?

About 5,300 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is US 63 NB over CO RD G-77?

The structure is 179 ft (54.6 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.

Who owns US 63 NB over CO RD G-77?

It is owned by the State Highway Agency.