US Bridges

US 63 NB over Over Abandon RR

Fair

Bremer County, Iowa · 1.0 Mi. S of Jct. Ia 3 · Structure no. 000000000015451

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
3 main spans
Daily traffic
8,700
2022 count
Owner
State
State Highway Agency

About this bridge

US 63 NB over Over Abandon RR is a prestressed concrete stringer/multi-beam or girder carrying US 63 NB over Over Abandon RR in Bremer County, Iowa. It was built in 1978, so it is 47 years old, older 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 8,700 vehicles a day, roughly 12% of them trucks, projected to reach 8,700 by 2044. The structure is 171 ft (52.1 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 63 NB
CrossesOver Abandon RR
Location1.0 Mi. S of Jct. Ia 3
RouteU.S. Route 63
StateIowa
Coordinates42.70016, -92.33712
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span69 ft (21 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2022)
Projected traffic8,700 by 2044
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 Over Abandon RR built?

It was built in 1978, making it 47 years old in 2025.

What condition is US 63 NB over Over Abandon RR 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 September 2024.

How much traffic does US 63 NB over Over Abandon RR carry?

About 8,700 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 63 NB over Over Abandon RR?

The structure is 171 ft (52.1 m) long with a longest span of 69 ft (21 m) and a deck 47 ft wide.

Who owns US 63 NB over Over Abandon RR?

It is owned by the State Highway Agency.