US Bridges

Booneville RD over Johnson Creek

Good

Dallas County, Iowa · Booneville RD over Jcreek · Structure no. 000000000505690

Built
2022
3 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
66
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Booneville RD over Johnson Creek is a concrete continuous slab carrying Booneville RD over Johnson Creek in Dallas 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 66 vehicles a day, projected to reach 66 by 2043. The structure is 121 ft (36.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBooneville RD
CrossesJohnson Creek
LocationBooneville RD over Jcreek
RouteCity Street 0
StateIowa
Coordinates41.53681, -93.86032
Functional classUrban 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length121 ft (36.8 m)
Longest span47 ft (14.3 m)
Deck width47 ft (14.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2022)
Projected traffic66 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Booneville RD over Johnson Creek built?

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

What condition is Booneville RD over Johnson 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 October 2023.

How much traffic does Booneville RD over Johnson Creek carry?

About 66 vehicles per day (2022 count).

How long is Booneville RD over Johnson Creek?

The structure is 121 ft (36.8 m) long with a longest span of 47 ft (14.3 m) and a deck 47 ft wide.

Who owns Booneville RD over Johnson Creek?

It is owned by the City or Municipal Highway Agency.