US Bridges

Franklin RD over I-88

Fair

Lee County, Illinois · 1 MI SW Franklin Grv · Structure no. 052993100000000

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
219 ft
4 main spans
Daily traffic
550
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Franklin RD over I-88 is a prestressed concrete stringer/multi-beam or girder carrying Franklin RD over I-88 in Lee County, Illinois. It was built in 1974, so it is 51 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 550 vehicles a day, roughly 13% of them trucks, projected to reach 707 by 2046. The structure is 219 ft (66.8 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFranklin RD
CrossesI-88
Location1 MI SW Franklin Grv
RouteCounty Highway 0
CountyLee County
StateIllinois
Coordinates41.82271, -89.31322
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span9 ft (2.7 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2022)
Projected traffic707 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Franklin RD over I-88 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Franklin RD over I-88 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Franklin RD over I-88 carry?

About 550 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Franklin RD over I-88?

The structure is 219 ft (66.8 m) long with a longest span of 9 ft (2.7 m) and a deck 34 ft wide.

Who owns Franklin RD over I-88?

It is owned by the State Toll Authority.