US Bridges

Sbi 147 Off Ill 37 over Stream

Fair

Pulaski County, Illinois · In Olmsted · Structure no. 077003000000000

Built
1954
71 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
64 ft
2 main spans
Daily traffic
600
2023 count
Owner
State
State Highway Agency

About this bridge

Sbi 147 Off Ill 37 over Stream is a concrete continuous slab carrying Sbi 147 Off Ill 37 over Stream in Pulaski County, Illinois. It was built in 1954, so it is 71 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 5 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 600 vehicles a day, roughly 18% of them trucks, projected to reach 707 by 2046. The structure is 64 ft (19.4 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSbi 147 Off Ill 37
CrossesStream
LocationIn Olmsted
RouteCounty Highway 0
Coordinates37.18088, -89.09311
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length64 ft (19.4 m)
Longest span30 ft (9 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic707 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sbi 147 Off Ill 37 over Stream built?

It was built in 1954, making it 71 years old in 2025.

What condition is Sbi 147 Off Ill 37 over Stream 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 July 2024.

How much traffic does Sbi 147 Off Ill 37 over Stream carry?

About 600 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Sbi 147 Off Ill 37 over Stream?

The structure is 64 ft (19.4 m) long with a longest span of 30 ft (9 m) and a deck 31 ft wide.

Who owns Sbi 147 Off Ill 37 over Stream?

It is owned by the State Highway Agency.