US Bridges

Cs 3650 over Maple Branch

Good

Johnson County, Illinois · SE1/4 Sec 2 T11S.R3E · Structure no. 044309900000000

Built
1985
40 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
25
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Cs 3650 over Maple Branch is a prestressed concrete box beam or girders - multiple carrying Cs 3650 over Maple Branch in Johnson County, Illinois. It was built in 1985, so it is 40 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 20% of them trucks, projected to reach 26 by 2046. The structure is 65 ft (19.8 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCs 3650
CrossesMaple Branch
LocationSE1/4 Sec 2 T11S.R3E
RouteCity Street 0
Coordinates37.58951, -88.83908
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic26 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Cs 3650 over Maple Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Cs 3650 over Maple 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 April 2023.

How much traffic does Cs 3650 over Maple Branch carry?

About 25 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is Cs 3650 over Maple Branch?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 28 ft wide.

Who owns Cs 3650 over Maple Branch?

It is owned by the Town or Township Highway Agency.