US Bridges

TR 328 over Spanish CR

Fair

Macoupin County, Illinois · 3.5 M S C-Ville Lake · Structure no. 059328500000000

Built
1980
45 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
88 ft
3 main spans
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 328 over Spanish CR is a prestressed concrete box beam or girders - multiple carrying TR 328 over Spanish CR in Macoupin County, Illinois. It was built in 1980, so it is 45 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 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 50 vehicles a day, roughly 40% of them trucks, projected to reach 51 by 2046. The structure is 88 ft (26.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 328
CrossesSpanish CR
Location3.5 M S C-Ville Lake
RouteCounty Highway 0
Coordinates39.19604, -89.85476
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span28 ft (8.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks40%
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 TR 328 over Spanish CR built?

It was built in 1980, making it 45 years old in 2025.

What condition is TR 328 over Spanish CR 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 February 2023.

How much traffic does TR 328 over Spanish CR carry?

About 50 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is TR 328 over Spanish CR?

The structure is 88 ft (26.8 m) long with a longest span of 28 ft (8.4 m) and a deck 28 ft wide.

Who owns TR 328 over Spanish CR?

It is owned by the Town or Township Highway Agency.