US Bridges

TR 28 over Long Slash Creek

Good

Monroe County, Illinois · 4 MI SW Columbia · Structure no. 067318100000000

Built
2010
15 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
125
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 28 over Long Slash Creek is a prestressed concrete box beam or girders - multiple carrying TR 28 over Long Slash Creek in Monroe County, Illinois. It was built in 2010, so it is 15 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 7 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 22% of them trucks, projected to reach 141 by 2046. The structure is 41 ft (12.6 m) long and 28 ft wide.

CarriesTR 28
CrossesLong Slash Creek
Location4 MI SW Columbia
RouteCounty Highway 0
Coordinates38.40193, -90.28444
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span41 ft (12.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic141 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 28 over Long Slash Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is TR 28 over Long Slash 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 February 2022.

How much traffic does TR 28 over Long Slash Creek carry?

About 125 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is TR 28 over Long Slash Creek?

The structure is 41 ft (12.6 m) long with a longest span of 41 ft (12.6 m) and a deck 28 ft wide.

Who owns TR 28 over Long Slash Creek?

It is owned by the Town or Township Highway Agency.