US Bridges

FAS 673 (lerna Rd) over Stream

Fair

Coles County, Illinois · MP 3.90 · Structure no. 015831800000000

Built
1909
116 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
3,250
2024 count
Owner
State
State Highway Agency

About this bridge

FAS 673 (lerna Rd) over Stream is a concrete culvert carrying FAS 673 (lerna Rd) over Stream in Coles County, Illinois. It was built in 1909, so it is 116 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 3,250 vehicles a day, roughly 7% of them trucks, projected to reach 2,980 by 2046. The structure is 23 ft (7 m) long.

CarriesFAS 673 (lerna Rd)
CrossesStream
LocationMP 3.90
RouteCounty Highway 0
Coordinates39.46045, -88.30851
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2024)
Projected traffic2,980 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAS 673 (lerna Rd) over Stream built?

It was built in 1909, making it 116 years old in 2025.

What condition is FAS 673 (lerna Rd) over Stream 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 June 2023.

How much traffic does FAS 673 (lerna Rd) over Stream carry?

About 3,250 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is FAS 673 (lerna Rd) over Stream?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns FAS 673 (lerna Rd) over Stream?

It is owned by the State Highway Agency.