US Bridges

296th ST over Creek

Poor

Scott County, Iowa · 080E11305 · Structure no. 000000000303101

Built
1974
51 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

296th ST over Creek is a concrete continuous slab carrying 296th ST over Creek in Scott County, Iowa. It was built in 1974, so it is 51 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 200 vehicles a day, roughly 31% of them trucks, projected to reach 200 by 2043. The structure is 104 ft (31.7 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Carries296th ST
CrossesCreek
Location080E11305
RouteCounty Highway 0
StateIowa
Coordinates41.73487, -90.79842
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.9 US tons
Inventory rating33.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length104 ft (31.7 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic200 by 2043
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 296th ST over Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is 296th ST over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does 296th ST over Creek carry?

About 200 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is 296th ST over Creek?

The structure is 104 ft (31.7 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns 296th ST over Creek?

It is owned by the County Highway Agency.