US Bridges

River RD over Elk Run Creek

Good

Hardin County, Iowa · River RD over Elk Run · Structure no. 000000000006581

Built
2023
2 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
390
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

River RD over Elk Run Creek is a concrete culvert carrying River RD over Elk Run Creek in Hardin County, Iowa. It was built in 2023, so it is 2 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 390 vehicles a day, roughly 6% of them trucks, projected to reach 390 by 2044. The structure is 41 ft (12.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRiver RD
CrossesElk Run Creek
LocationRiver RD over Elk Run
RouteCity Street 0
StateIowa
Coordinates42.52702, -93.27526
Functional classUrban 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.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length41 ft (12.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2022)
Projected traffic390 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 River RD over Elk Run Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is River RD over Elk Run 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 May 2024.

How much traffic does River RD over Elk Run Creek carry?

About 390 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is River RD over Elk Run Creek?

The structure is 41 ft (12.6 m) long with a longest span of 12 ft (3.7 m).

Who owns River RD over Elk Run Creek?

It is owned by the City or Municipal Highway Agency.