US Bridges

6th Street 8200 over Town Branch Creek

PoorPosted for load

Fayette County, Illinois · Vandalia · Structure no. 026600700000000

Built
1940
85 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete
Length
30 ft
1 main span
Daily traffic
875
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

6th Street 8200 over Town Branch Creek is a concrete tee beam carrying 6th Street 8200 over Town Branch Creek in Fayette County, Illinois. It was built in 1940, so it is 85 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 875 vehicles a day, roughly 6% of them trucks, projected to reach 918 by 2046. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries6th Street 8200
CrossesTown Branch Creek
LocationVandalia
RouteCity Street 0
Coordinates38.96298, -89.09748
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.5 US tons
Inventory rating22.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic875 (2023)
Projected traffic918 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$74,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6th Street 8200 over Town Branch Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is 6th Street 8200 over Town Branch Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does 6th Street 8200 over Town Branch Creek carry?

About 875 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is 6th Street 8200 over Town Branch Creek?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.

Who owns 6th Street 8200 over Town Branch Creek?

It is owned by the City or Municipal Highway Agency.