US Bridges

TR 363 over Little Apple Crk

Good

Morgan County, Illinois · 1.5MI SW Nortonville · Structure no. 069323700000000

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 363 over Little Apple Crk is a prestressed concrete box beam or girders - multiple carrying TR 363 over Little Apple Crk in Morgan County, Illinois. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 80 ft (24.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 363
CrossesLittle Apple Crk
Location1.5MI SW Nortonville
RouteCounty Highway 0
Coordinates39.54177, -90.16756
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length80 ft (24.5 m)
Longest span77 ft (23.6 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 traffic51 by 2046
Trucks0%
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 363 over Little Apple Crk built?

It was built in 1997, making it 28 years old in 2025.

What condition is TR 363 over Little Apple 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 October 2023.

How much traffic does TR 363 over Little Apple Crk carry?

About 50 vehicles per day (2024 count).

How long is TR 363 over Little Apple Crk?

The structure is 80 ft (24.5 m) long with a longest span of 77 ft (23.6 m) and a deck 24 ft wide.

Who owns TR 363 over Little Apple Crk?

It is owned by the Town or Township Highway Agency.