US Bridges

FAU 8494 East ST over Baltimore & Ohio RR

Fair

Richland County, Illinois · Olney · Structure no. 080600200000000

Built
1981
44 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
111 ft
1 main span
Daily traffic
3,050
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 8494 East ST over Baltimore & Ohio RR is a prestressed concrete box beam or girders - multiple carrying FAU 8494 East ST over Baltimore & Ohio RR in Richland County, Illinois. It was built in 1981, so it is 44 years old, younger 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 3,050 vehicles a day, roughly 5% of them trucks, projected to reach 3,030 by 2046. The structure is 111 ft (33.8 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 8494 East ST
CrossesBaltimore & Ohio RR
LocationOlney
Coordinates38.72553, -88.07565
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span48 ft (14.6 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2022)
Projected traffic3,030 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$537,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 8494 East ST over Baltimore & Ohio RR built?

It was built in 1981, making it 44 years old in 2025.

What condition is FAU 8494 East ST over Baltimore & Ohio RR 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 February 2025.

How much traffic does FAU 8494 East ST over Baltimore & Ohio RR carry?

About 3,050 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAU 8494 East ST over Baltimore & Ohio RR?

The structure is 111 ft (33.8 m) long with a longest span of 48 ft (14.6 m) and a deck 34 ft wide.

Who owns FAU 8494 East ST over Baltimore & Ohio RR?

It is owned by the City or Municipal Highway Agency.