US Bridges

South Beason RD over Deer Ck Br

Poor

Logan County, Illinois · .25 MI E Lincoln · Structure no. 054430200000000

Built
1965
60 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete
Length
67 ft
3 main spans
Daily traffic
800
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

South Beason RD over Deer Ck Br is a concrete slab carrying South Beason RD over Deer Ck Br in Logan County, Illinois. It was built in 1965, so it is 60 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 800 vehicles a day, roughly 4% of them trucks, projected to reach 210 by 2046. The structure is 67 ft (20.4 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSouth Beason RD
CrossesDeer Ck Br
Location.25 MI E Lincoln
RouteCounty Highway 0
Coordinates40.13564, -89.34249
Functional classUrban Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length67 ft (20.4 m)
Longest span25 ft (7.6 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic210 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 South Beason RD over Deer Ck Br built?

It was built in 1965, making it 60 years old in 2025.

What condition is South Beason RD over Deer Ck Br 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 November 2023.

How much traffic does South Beason RD over Deer Ck Br carry?

About 800 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is South Beason RD over Deer Ck Br?

The structure is 67 ft (20.4 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns South Beason RD over Deer Ck Br?

It is owned by the Town or Township Highway Agency.