US Bridges

Johnson Dairy Road over Adds Branch

Good

Union County, Illinois · 3.2 MI East of I-57 · Structure no. 091325200000000

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
10
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Johnson Dairy Road over Adds Branch is a prestressed concrete box beam or girders - multiple carrying Johnson Dairy Road over Adds Branch in Union County, Illinois. It was built in 2022, so it is 3 years old, younger than the Illinois average of 45.3 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 10 vehicles a day, projected to reach 10 by 2046. The structure is 55 ft (16.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesJohnson Dairy Road
CrossesAdds Branch
Location3.2 MI East of I-57
RouteCounty Highway 0
CountyUnion County
StateIllinois
Coordinates37.37135, -89.09472
Functional classRural Local

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 inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating42.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.9 m)
Longest span52 ft (16 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic10 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Johnson Dairy Road over Adds Branch built?

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

What condition is Johnson Dairy Road over Adds Branch 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 November 2024.

How much traffic does Johnson Dairy Road over Adds Branch carry?

About 10 vehicles per day (2020 count).

How long is Johnson Dairy Road over Adds Branch?

The structure is 55 ft (16.9 m) long with a longest span of 52 ft (16 m) and a deck 24 ft wide.

Who owns Johnson Dairy Road over Adds Branch?

It is owned by the Town or Township Highway Agency.