US Bridges

OR4 over Massac Creek

Good

Massac County, Illinois · Fort Massac State Park · Structure no. 064990200000000

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
128 ft
3 main spans
Daily traffic
125
2020 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

OR4 over Massac Creek is a concrete stringer/multi-beam or girder carrying OR4 over Massac Creek in Massac County, Illinois. It was built in 2021, so it is 4 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 125 vehicles a day, roughly 6% of them trucks, projected to reach 126 by 2046. The structure is 128 ft (39.1 m) long and 28 ft wide.

CarriesOR4
CrossesMassac Creek
LocationFort Massac State Park
Coordinates37.1453, -88.70031
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating85.3 US tons
Inventory rating65.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length128 ft (39.1 m)
Longest span52 ft (15.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic126 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 OR4 over Massac Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is OR4 over Massac 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 December 2023.

How much traffic does OR4 over Massac Creek carry?

About 125 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is OR4 over Massac Creek?

The structure is 128 ft (39.1 m) long with a longest span of 52 ft (15.8 m) and a deck 28 ft wide.

Who owns OR4 over Massac Creek?

It is owned by the State Park, Forest, or Reservation Agency.