US Bridges

TR 256 Fort Daniel over Big Creek

Good

Macon County, Illinois · 2.7 MI NE Mt Zion · Structure no. 058338900000000

Built
2008
17 years old
Condition
Good
inspected January 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
450
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 256 Fort Daniel over Big Creek is a prestressed concrete box beam or girders - multiple carrying TR 256 Fort Daniel over Big Creek in Macon County, Illinois. It was built in 2008, so it is 17 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 450 vehicles a day, roughly 12% of them trucks, projected to reach 455 by 2046. The structure is 64 ft (19.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 256 Fort Daniel
CrossesBig Creek
Location2.7 MI NE Mt Zion
RouteCounty Highway 0
Coordinates39.78811, -88.82834
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length64 ft (19.4 m)
Longest span61 ft (18.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2021)
Projected traffic455 by 2046
Trucks12%
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 256 Fort Daniel over Big Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is TR 256 Fort Daniel over Big 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 January 2022.

How much traffic does TR 256 Fort Daniel over Big Creek carry?

About 450 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is TR 256 Fort Daniel over Big Creek?

The structure is 64 ft (19.4 m) long with a longest span of 61 ft (18.6 m) and a deck 24 ft wide.

Who owns TR 256 Fort Daniel over Big Creek?

It is owned by the Town or Township Highway Agency.