US Bridges

Ch 32 over Rocky Branch

Good

Saline County, Illinois · 2.1 MI So of Ill 13 · Structure no. 083318900000000

Built
1990
35 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
75
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 32 over Rocky Branch is a concrete continuous culvert carrying Ch 32 over Rocky Branch in Saline County, Illinois. It was built in 1990, so it is 35 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 75 vehicles a day, roughly 9% of them trucks, projected to reach 76 by 2046. The structure is 40 ft (12.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCh 32
CrossesRocky Branch
Location2.1 MI So of Ill 13
RouteCounty Highway 0
Coordinates37.71725, -88.4165
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 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

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span20 ft (6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks9%
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 Ch 32 over Rocky Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ch 32 over Rocky 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 October 2023.

How much traffic does Ch 32 over Rocky Branch carry?

About 75 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Ch 32 over Rocky Branch?

The structure is 40 ft (12.3 m) long with a longest span of 20 ft (6 m) and a deck 26 ft wide.

Who owns Ch 32 over Rocky Branch?

It is owned by the County Highway Agency.