US Bridges

4th Street 8400 over Consolidated RR

Fair

Fayette County, Illinois · Vandalia · Structure no. 026990800000000

Built
1909
116 years old
Condition
Fair
inspected June 2023
Type
Other
Steel
Length
51 ft
1 main span
Daily traffic
575
2023 count
Owner
Railroad
Railroad

About this bridge

4th Street 8400 over Consolidated RR is a steel other carrying 4th Street 8400 over Consolidated RR in Fayette County, Illinois. It was built in 1909, so it is 116 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 575 vehicles a day, roughly 4% of them trucks, projected to reach 357 by 2046. The structure is 51 ft (15.5 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries4th Street 8400
CrossesConsolidated RR
LocationVandalia
RouteCity Street 0
CountyFayette County
StateIllinois
Coordinates38.96168, -89.09467
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeOther
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width50 ft (15.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2023)
Projected traffic357 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$58,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 4th Street 8400 over Consolidated RR built?

It was built in 1909, making it 116 years old in 2025.

What condition is 4th Street 8400 over Consolidated 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 June 2023.

How much traffic does 4th Street 8400 over Consolidated RR carry?

About 575 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is 4th Street 8400 over Consolidated RR?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 50 ft wide.

Who owns 4th Street 8400 over Consolidated RR?

It is owned by the Railroad.