US Bridges

1300N over Lower Sandy Slough

Fair

White County, Illinois · 0.09 MI E of 1975E · Structure no. 097328500000000

Built
2015
10 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

1300N over Lower Sandy Slough is a prestressed concrete box beam or girders - multiple carrying 1300N over Lower Sandy Slough in White County, Illinois. It was built in 2015, so it is 10 years old, younger 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 50 vehicles a day, roughly 32% of them trucks, projected to reach 25 by 2046. The structure is 101 ft (30.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries1300N
CrossesLower Sandy Slough
Location0.09 MI E of 1975E
RouteCounty Highway 0
Coordinates38.06597, -88.01827
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.9 m)
Longest span99 ft (30.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic25 by 2046
Trucks32%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 1300N over Lower Sandy Slough built?

It was built in 2015, making it 10 years old in 2025.

What condition is 1300N over Lower Sandy Slough 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 2023.

How much traffic does 1300N over Lower Sandy Slough carry?

About 50 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is 1300N over Lower Sandy Slough?

The structure is 101 ft (30.9 m) long with a longest span of 99 ft (30.1 m) and a deck 24 ft wide.

Who owns 1300N over Lower Sandy Slough?

It is owned by the Town or Township Highway Agency.