US Bridges

W Dorris Heights over Drainage Ditch

FairPosted for load

Saline County, Illinois · 0.1 Mi. W. Ill. 34 · Structure no. 083304100000000

Built
1941
84 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
1,350
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Dorris Heights over Drainage Ditch is a steel stringer/multi-beam or girder carrying W Dorris Heights over Drainage Ditch in Saline County, Illinois. It was built in 1941, so it is 84 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. Its operating status is: posted for load restriction.

It carries about 1,350 vehicles a day, roughly 7% of them trucks, projected to reach 1,364 by 2046. The structure is 45 ft (13.7 m) long and 23 ft wide.

Location

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CarriesW Dorris Heights
CrossesDrainage Ditch
Location0.1 Mi. W. Ill. 34
CountySaline County
StateIllinois
Coordinates37.74927, -88.54094
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span41 ft (12.5 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2020)
Projected traffic1,364 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

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$137,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W Dorris Heights over Drainage Ditch built?

It was built in 1941, making it 84 years old in 2025.

What condition is W Dorris Heights over Drainage 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 December 2023.

How much traffic does W Dorris Heights over Drainage Ditch carry?

About 1,350 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is W Dorris Heights over Drainage Ditch?

The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.5 m) and a deck 23 ft wide.

Who owns W Dorris Heights over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.