US Bridges

291st over Sodus Creek

Good

Clinton County, Iowa · 080E51207 · Structure no. 000000000121621

Built
2004
21 years old
Condition
Good
inspected February 2021
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
240
2022 count
Owner
County
County Highway Agency

About this bridge

291st over Sodus Creek is a prestressed concrete tee beam carrying 291st over Sodus Creek in Clinton County, Iowa. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 240 vehicles a day, roughly 20% of them trucks, projected to reach 240 by 2043. The structure is 46 ft (14 m) long and 32 ft wide.

Carries291st
CrossesSodus Creek
Location080E51207
RouteCounty Highway 0
StateIowa
Coordinates41.75283, -90.33184
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2022)
Projected traffic240 by 2043
Trucks20%
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 291st over Sodus Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is 291st over Sodus 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 February 2021.

How much traffic does 291st over Sodus Creek carry?

About 240 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is 291st over Sodus Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns 291st over Sodus Creek?

It is owned by the County Highway Agency.