US Bridges

Herrin Road over Trib to Pond Creek

Good

Williamson County, Illinois · 0.75M E Herrin · Structure no. 100008000000000

Built
2016
9 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
6,200
2021 count
Owner
State
State Highway Agency

About this bridge

Herrin Road over Trib to Pond Creek is a steel stringer/multi-beam or girder carrying Herrin Road over Trib to Pond Creek in Williamson County, Illinois. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,200 vehicles a day, roughly 6% of them trucks, projected to reach 6,262 by 2046. The structure is 67 ft (20.4 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHerrin Road
CrossesTrib to Pond Creek
Location0.75M E Herrin
CountyWilliamson County
StateIllinois
Coordinates37.81123, -89.00464
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating89 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span64 ft (19.5 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2021)
Projected traffic6,262 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Herrin Road over Trib to Pond Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Herrin Road over Trib to Pond Creek 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 June 2022.

How much traffic does Herrin Road over Trib to Pond Creek carry?

About 6,200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Herrin Road over Trib to Pond Creek?

The structure is 67 ft (20.4 m) long with a longest span of 64 ft (19.5 m) and a deck 39 ft wide.

Who owns Herrin Road over Trib to Pond Creek?

It is owned by the State Highway Agency.