US Bridges

TR 128 over Big Sandy Crk

Good

Morgan County, Illinois · 2 MI SW Jacksonville · Structure no. 069325600000000

Built
2005
20 years old
Condition
Good
inspected November 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
675
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 128 over Big Sandy Crk is a prestressed concrete box beam or girders - multiple carrying TR 128 over Big Sandy Crk in Morgan County, Illinois. It was built in 2005, so it is 20 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 675 vehicles a day, roughly 1% of them trucks, projected to reach 707 by 2046. The structure is 100 ft (30.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 128
CrossesBig Sandy Crk
Location2 MI SW Jacksonville
RouteCounty Highway 0
Coordinates39.67867, -90.26762
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
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 adequacy8: Equal to present desirable 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 spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span39 ft (11.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2024)
Projected traffic707 by 2046
Trucks1%
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

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 128 over Big Sandy Crk built?

It was built in 2005, making it 20 years old in 2025.

What condition is TR 128 over Big Sandy Crk 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 November 2021.

How much traffic does TR 128 over Big Sandy Crk carry?

About 675 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is TR 128 over Big Sandy Crk?

The structure is 100 ft (30.5 m) long with a longest span of 39 ft (11.8 m) and a deck 28 ft wide.

Who owns TR 128 over Big Sandy Crk?

It is owned by the Town or Township Highway Agency.