US Bridges

FAS 2936 (unmarked over Trib to Hess Bayou

Good

Pulaski County, Illinois · Near Ncl Mounds · Structure no. 077003800000000

Built
1993
32 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

FAS 2936 (unmarked over Trib to Hess Bayou is a steel stringer/multi-beam or girder carrying FAS 2936 (unmarked over Trib to Hess Bayou in Pulaski County, Illinois. It was built in 1993, so it is 32 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 10% of them trucks, projected to reach 2,424 by 2046. The structure is 70 ft (21.4 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAS 2936 (unmarked
CrossesTrib to Hess Bayou
LocationNear Ncl Mounds
RouteCounty Highway 0
CountyPulaski County
StateIllinois
Coordinates37.11952, -89.19848
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.1 US tons
Inventory rating60.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.4 m)
Longest span68 ft (20.7 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,424 by 2046
Trucks10%
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

OwnerState Highway Agency
Maintained byState 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 FAS 2936 (unmarked over Trib to Hess Bayou built?

It was built in 1993, making it 32 years old in 2025.

What condition is FAS 2936 (unmarked over Trib to Hess Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does FAS 2936 (unmarked over Trib to Hess Bayou carry?

About 2,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FAS 2936 (unmarked over Trib to Hess Bayou?

The structure is 70 ft (21.4 m) long with a longest span of 68 ft (20.7 m) and a deck 36 ft wide.

Who owns FAS 2936 (unmarked over Trib to Hess Bayou?

It is owned by the State Highway Agency.