US Bridges

Olive Rd/ TR 324 over Trib to Sugar Fk

Fair

Madison County, Illinois · 0.3MI E Alhambra · Structure no. 060316600000000

Built
1918
107 years old
Condition
Fair
inspected November 2023
Type
Other
Concrete
Length
24 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Olive Rd/ TR 324 over Trib to Sugar Fk is a concrete other carrying Olive Rd/ TR 324 over Trib to Sugar Fk in Madison County, Illinois. It was built in 1918, so it is 107 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 50 vehicles a day, roughly 12% of them trucks, projected to reach 54 by 2046. The structure is 24 ft (7.3 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOlive Rd/ TR 324
CrossesTrib to Sugar Fk
Location0.3MI E Alhambra
RouteCounty Highway 0
CountyMadison County
StateIllinois
Coordinates38.88854, -89.71732
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic54 by 2046
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Olive Rd/ TR 324 over Trib to Sugar Fk built?

It was built in 1918, making it 107 years old in 2025.

What condition is Olive Rd/ TR 324 over Trib to Sugar Fk 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 November 2023.

How much traffic does Olive Rd/ TR 324 over Trib to Sugar Fk carry?

About 50 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Olive Rd/ TR 324 over Trib to Sugar Fk?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 17 ft wide.

Who owns Olive Rd/ TR 324 over Trib to Sugar Fk?

It is owned by the Town or Township Highway Agency.