US Bridges

Franklin RD over Franklin Creek

Poor

Lee County, Illinois · SW Edge Franklin Gro · Structure no. 052301000000000

Built
1958
67 years old
Condition
Poor
inspected January 2025
Type
Tee Beam
Concrete
Length
145 ft
3 main spans
Daily traffic
625
2022 count
Owner
County
County Highway Agency

About this bridge

Franklin RD over Franklin Creek is a concrete tee beam carrying Franklin RD over Franklin Creek in Lee County, Illinois. It was built in 1958, so it is 67 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 625 vehicles a day, roughly 5% of them trucks, projected to reach 606 by 2046. The structure is 145 ft (44.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFranklin RD
CrossesFranklin Creek
LocationSW Edge Franklin Gro
RouteCounty Highway 0
Coordinates41.837, -89.31164
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length145 ft (44.2 m)
Longest span55 ft (16.8 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2022)
Projected traffic606 by 2046
Trucks5%
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 Franklin RD over Franklin Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Franklin RD over Franklin Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Franklin RD over Franklin Creek carry?

About 625 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Franklin RD over Franklin Creek?

The structure is 145 ft (44.2 m) long with a longest span of 55 ft (16.8 m) and a deck 30 ft wide.

Who owns Franklin RD over Franklin Creek?

It is owned by the County Highway Agency.