US Bridges

E55 148th ST over Small Stream

Good

Clinton County, Iowa · On 200th Ave · Structure no. 000000000125141

Built
2024
1 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
11
2023 count
Owner
County
County Highway Agency

About this bridge

E55 148th ST over Small Stream is a steel stringer/multi-beam or girder carrying E55 148th ST over Small Stream 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 9 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 2044. The structure is 40 ft (12.2 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesE55 148th ST
CrossesSmall Stream
LocationOn 200th Ave
RouteCounty Highway 0
CountyClinton County
StateIowa
Coordinates41.96375, -90.6072
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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating72.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span36 ft (10.9 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2023)
Projected traffic11 by 2044
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was E55 148th ST over Small Stream built?

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

What condition is E55 148th ST over Small Stream 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 July 2024.

How much traffic does E55 148th ST over Small Stream carry?

About 11 vehicles per day (2023 count).

How long is E55 148th ST over Small Stream?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (10.9 m) and a deck 31 ft wide.

Who owns E55 148th ST over Small Stream?

It is owned by the County Highway Agency.