US Bridges

Rocky Ford RD over Salt CR

Good

Logan County, Illinois · 5 W 1.5 MI S Lincoln · Structure no. 054305300000000

Built
1985
40 years old
Condition
Good
inspected December 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
202 ft
3 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

Rocky Ford RD over Salt CR is a prestressed concrete box beam or girders - multiple carrying Rocky Ford RD over Salt CR in Logan 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 350 vehicles a day, roughly 14% of them trucks, projected to reach 158 by 2046. The structure is 202 ft (61.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRocky Ford RD
CrossesSalt CR
Location5 W 1.5 MI S Lincoln
RouteCounty Highway 0
Coordinates40.12256, -89.46347
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length202 ft (61.6 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic158 by 2046
Trucks14%
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

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 Rocky Ford RD over Salt CR built?

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

What condition is Rocky Ford RD over Salt 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 December 2021.

How much traffic does Rocky Ford RD over Salt CR carry?

About 350 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Rocky Ford RD over Salt CR?

The structure is 202 ft (61.6 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Rocky Ford RD over Salt CR?

It is owned by the County Highway Agency.