US Bridges

Front St-Cs 6050 over Trib to Hess Bayou

Fair

Pulaski County, Illinois · N Edge of Mounds · Structure no. 077600900000000

Built
1996
29 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
50
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Front St-Cs 6050 over Trib to Hess Bayou is a prestressed concrete box beam or girders - multiple carrying Front St-Cs 6050 over Trib to Hess Bayou in Pulaski County, Illinois. It was built in 1996, so it is 29 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 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 50 vehicles a day, roughly 22% of them trucks, projected to reach 101 by 2046. The structure is 61 ft (18.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFront St-Cs 6050
CrossesTrib to Hess Bayou
LocationN Edge of Mounds
RouteCity Street 0
Coordinates37.12049, -89.20149
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span59 ft (18 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic101 by 2046
Trucks22%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Front St-Cs 6050 over Trib to Hess Bayou built?

It was built in 1996, making it 29 years old in 2025.

What condition is Front St-Cs 6050 over Trib to Hess Bayou 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 Front St-Cs 6050 over Trib to Hess Bayou carry?

About 50 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is Front St-Cs 6050 over Trib to Hess Bayou?

The structure is 61 ft (18.7 m) long with a longest span of 59 ft (18 m) and a deck 24 ft wide.

Who owns Front St-Cs 6050 over Trib to Hess Bayou?

It is owned by the City or Municipal Highway Agency.