US Bridges

E24 59 ST Trail over Spring Creek

Good

Benton County, Iowa · 085092407 · Structure no. 000000000072481

Built
2022
3 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
638
2021 count
Owner
County
County Highway Agency

About this bridge

E24 59 ST Trail over Spring Creek is a concrete continuous culvert carrying E24 59 ST Trail over Spring Creek in Benton County, Iowa. It was built in 2022, so it is 3 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 638 vehicles a day, roughly 12% of them trucks, projected to reach 638 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesE24 59 ST Trail
CrossesSpring Creek
Location085092407
RouteCounty Highway 0
StateIowa
Coordinates42.15744, -91.84071
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic638 (2021)
Projected traffic638 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E24 59 ST Trail over Spring Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is E24 59 ST Trail over Spring 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 April 2023.

How much traffic does E24 59 ST Trail over Spring Creek carry?

About 638 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is E24 59 ST Trail over Spring Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns E24 59 ST Trail over Spring Creek?

It is owned by the County Highway Agency.