US Bridges

FAP-327/FR-1866 over Allison Ditch No 2

Fair

Lawrence County, Illinois · .5 MI W Lake Law Int · Structure no. 051003400000000

Built
1960
65 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
56 ft
3 main spans
Daily traffic
200
2021 count
Owner
County
County Highway Agency

About this bridge

FAP-327/FR-1866 over Allison Ditch No 2 is a concrete channel beam carrying FAP-327/FR-1866 over Allison Ditch No 2 in Lawrence County, Illinois. It was built in 1960, so it is 65 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 200 vehicles a day, roughly 17% of them trucks, projected to reach 202 by 2046. The structure is 56 ft (17.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAP-327/FR-1866
CrossesAllison Ditch No 2
Location.5 MI W Lake Law Int
RouteCounty Highway 0
CountyLawrence County
StateIllinois
Coordinates38.71338, -87.56415
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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length56 ft (17.1 m)
Longest span23 ft (7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic202 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 FAP-327/FR-1866 over Allison Ditch No 2 built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAP-327/FR-1866 over Allison Ditch No 2 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 December 2024.

How much traffic does FAP-327/FR-1866 over Allison Ditch No 2 carry?

About 200 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is FAP-327/FR-1866 over Allison Ditch No 2?

The structure is 56 ft (17.1 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns FAP-327/FR-1866 over Allison Ditch No 2?

It is owned by the County Highway Agency.