US Bridges

St. Rose Rd/Fas 77 over Ditch

Fair

Clinton County, Illinois · 1590 St. Rose Rd. · Structure no. 014500800000000

Built
1901
124 years old, rebuilt 1974
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
3,200
2020 count
Owner
County
County Highway Agency

About this bridge

St. Rose Rd/Fas 77 over Ditch is a concrete culvert carrying St. Rose Rd/Fas 77 over Ditch in Clinton County, Illinois. It was built in 1901 and reconstructed in 1974, so it is 124 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 3,200 vehicles a day, roughly 9% of them trucks, projected to reach 3,520 by 2046. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSt. Rose Rd/Fas 77
CrossesDitch
Location1590 St. Rose Rd.
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.65346, -89.55377
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2020)
Projected traffic3,520 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$200,000
NavigationNo navigation control on waterway

Frequently asked questions

When was St. Rose Rd/Fas 77 over Ditch built?

It was built in 1901, making it 124 years old in 2025. It was reconstructed in 1974.

What condition is St. Rose Rd/Fas 77 over 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 January 2025.

How much traffic does St. Rose Rd/Fas 77 over Ditch carry?

About 3,200 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is St. Rose Rd/Fas 77 over Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m).

Who owns St. Rose Rd/Fas 77 over Ditch?

It is owned by the County Highway Agency.