US Bridges

463rd Avenue over Creek

Good

Clinton County, Iowa · On 463rd Ave N. of W. Dee · Structure no. 000000000124452

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Steel Continuous
Length
42 ft
1 main span
Daily traffic
11
2023 count
Owner
County
County Highway Agency

About this bridge

463rd Avenue over Creek is a steel continuous tee beam carrying 463rd Avenue over Creek in Clinton County, Iowa. It was built in 2024, so it is 1 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 11 vehicles a day, projected to reach 11 by 2043. The structure is 42 ft (12.8 m) long and 27 ft wide.

Carries463rd Avenue
CrossesCreek
LocationOn 463rd Ave N. of W. Dee
RouteCounty Highway 0
StateIowa
Coordinates41.91491, -90.19514
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeTee Beam
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span38 ft (11.6 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2023)
Projected traffic11 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 463rd Avenue over Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is 463rd Avenue over 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 463rd Avenue over Creek carry?

About 11 vehicles per day (2023 count).

How long is 463rd Avenue over Creek?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.6 m) and a deck 27 ft wide.

Who owns 463rd Avenue over Creek?

It is owned by the County Highway Agency.