US Bridges

Twp RD 39 over Q Ditch

Fair

Massac County, Illinois · Int RTE 45 & TR 39 · Structure no. 064305100000000

Built
1977
48 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
42 ft
1 main span
Daily traffic
250
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Twp RD 39 over Q Ditch is a concrete channel beam carrying Twp RD 39 over Q Ditch in Massac County, Illinois. It was built in 1977, so it is 48 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 6 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 250 vehicles a day, roughly 8% of them trucks, projected to reach 253 by 2046. The structure is 42 ft (12.8 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesTwp RD 39
CrossesQ Ditch
LocationInt RTE 45 & TR 39
RouteCounty Highway 0
CountyMassac County
StateIllinois
Coordinates37.27436, -88.84779
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic253 by 2046
Trucks8%
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

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 Twp RD 39 over Q Ditch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Twp RD 39 over Q Ditch 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 Twp RD 39 over Q Ditch carry?

About 250 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Twp RD 39 over Q Ditch?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns Twp RD 39 over Q Ditch?

It is owned by the Town or Township Highway Agency.