US Bridges

2nd Avenue over S Branch Ralston Creek

Good

Johnson County, Iowa · 079061400 · Structure no. 000000000006541

Built
2022
3 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
158
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

2nd Avenue over S Branch Ralston Creek is a concrete slab carrying 2nd Avenue over S Branch Ralston Creek in Johnson 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 158 vehicles a day, projected to reach 158 by 2043. The structure is 34 ft (10.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries2nd Avenue
CrossesS Branch Ralston Creek
Location079061400
RouteCity Street 0
CountyJohnson County
StateIowa
Coordinates41.65165, -91.50343
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width41 ft (12.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2022)
Projected traffic158 by 2043
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 2nd Avenue over S Branch Ralston Creek built?

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

What condition is 2nd Avenue over S Branch Ralston 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 June 2023.

How much traffic does 2nd Avenue over S Branch Ralston Creek carry?

About 158 vehicles per day (2022 count).

How long is 2nd Avenue over S Branch Ralston Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 41 ft wide.

Who owns 2nd Avenue over S Branch Ralston Creek?

It is owned by the City or Municipal Highway Agency.