US Bridges

145th Ave over US 63

Good

Wapello County, Iowa · 1.4 Mi. N of Ia 149 · Structure no. 000000000606690

Built
1997
28 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
288 ft
4 main spans
Daily traffic
1,140
2022 count
Owner
State
State Highway Agency

About this bridge

145th Ave over US 63 is a prestressed concrete stringer/multi-beam or girder carrying 145th Ave over US 63 in Wapello County, Iowa. It was built in 1997, so it is 28 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 1,140 vehicles a day, roughly 23% of them trucks, projected to reach 1,140 by 2043. The structure is 288 ft (87.8 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries145th Ave
CrossesUS 63
Location1.4 Mi. N of Ia 149
RouteCounty Highway 0
StateIowa
Coordinates41.09333, -92.43664
Functional classUrban Minor Arterial

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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.6 US tons
Inventory rating33.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length288 ft (87.8 m)
Longest span107 ft (32.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,140 (2022)
Projected traffic1,140 by 2043
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 145th Ave over US 63 built?

It was built in 1997, making it 28 years old in 2025.

What condition is 145th Ave over US 63 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 November 2023.

How much traffic does 145th Ave over US 63 carry?

About 1,140 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is 145th Ave over US 63?

The structure is 288 ft (87.8 m) long with a longest span of 107 ft (32.6 m) and a deck 43 ft wide.

Who owns 145th Ave over US 63?

It is owned by the State Highway Agency.