US Bridges

Lower W Br RD over Wapsinonoc CR

Good

Johnson County, Iowa · T79N R05W Section 11 · Structure no. 000000000203941

Built
2017
8 years old
Condition
Good
inspected April 2021
Type
Box Beam or Girders - Multiple
Steel
Length
70 ft
1 main span
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

Lower W Br RD over Wapsinonoc CR is a steel box beam or girders - multiple carrying Lower W Br RD over Wapsinonoc CR in Johnson County, Iowa. It was built in 2017, so it is 8 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 120 vehicles a day, projected to reach 120 by 2043. The structure is 70 ft (21.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLower W Br RD
CrossesWapsinonoc CR
LocationT79N R05W Section 11
RouteCounty Highway 0
CountyJohnson County
StateIowa
Coordinates41.66028, -91.39208
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating87.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel
DeckSteel plate
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 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

OwnerCounty Highway Agency
Maintained byCounty 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 Lower W Br RD over Wapsinonoc CR built?

It was built in 2017, making it 8 years old in 2025.

What condition is Lower W Br RD over Wapsinonoc CR 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 2021.

How much traffic does Lower W Br RD over Wapsinonoc CR carry?

About 120 vehicles per day (2022 count).

How long is Lower W Br RD over Wapsinonoc CR?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 27 ft wide.

Who owns Lower W Br RD over Wapsinonoc CR?

It is owned by the County Highway Agency.