US Bridges

Sunset LA over Ic-Cn RR

Fair

Massac County, Illinois · 0.5 MI S Round Knob · Structure no. 064313800000000

Built
2010
15 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
119 ft
3 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sunset LA over Ic-Cn RR is a prestressed concrete box beam or girders - multiple carrying Sunset LA over Ic-Cn RR in Massac County, Illinois. It was built in 2010, so it is 15 years old, younger 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 51 by 2046. The structure is 119 ft (36.3 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesSunset LA
CrossesIc-Cn RR
Location0.5 MI S Round Knob
RouteCounty Highway 0
CountyMassac County
StateIllinois
Coordinates37.23913, -88.73893
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sunset LA over Ic-Cn RR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sunset LA over Ic-Cn RR 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 March 2024.

How much traffic does Sunset LA over Ic-Cn RR carry?

About 50 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Sunset LA over Ic-Cn RR?

The structure is 119 ft (36.3 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns Sunset LA over Ic-Cn RR?

It is owned by the Town or Township Highway Agency.