US Bridges

US 45 over Massac Creek

Fair

Massac County, Illinois · 1.5 MI W I-24 · Structure no. 064003600000000

Built
1978
47 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
290 ft
3 main spans
Daily traffic
12,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over Massac Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 45 over Massac Creek in Massac County, Illinois. It was built in 1978, so it is 47 years old, older 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 12,800 vehicles a day, roughly 6% of them trucks, projected to reach 5,959 by 2046. The structure is 290 ft (88.4 m) long and 44 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesUS 45
CrossesMassac Creek
Location1.5 MI W I-24
RouteU.S. Route 45
CountyMassac County
StateIllinois
Coordinates37.15676, -88.70845
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span95 ft (29.1 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,800 (2023)
Projected traffic5,959 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemYes

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 US 45 over Massac Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is US 45 over Massac Creek 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 March 2024.

How much traffic does US 45 over Massac Creek carry?

About 12,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 45 over Massac Creek?

The structure is 290 ft (88.4 m) long with a longest span of 95 ft (29.1 m) and a deck 44 ft wide.

Who owns US 45 over Massac Creek?

It is owned by the State Highway Agency.