US Bridges

TR 47 over Spring Branch Trib

Good

Pike County, Illinois · 2 M East Perry · Structure no. 075331400000000

Built
2009
16 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 47 over Spring Branch Trib is a prestressed concrete box beam or girders - multiple carrying TR 47 over Spring Branch Trib in Pike County, Illinois. It was built in 2009, so it is 16 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 25 vehicles a day, roughly 12% of them trucks, projected to reach 29 by 2046. The structure is 45 ft (13.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 47
CrossesSpring Branch Trib
Location2 M East Perry
RouteCounty Highway 0
Coordinates39.79614, -90.69936
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 inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
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 25 or greater
Structure length45 ft (13.6 m)
Longest span41 ft (12.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic29 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 47 over Spring Branch Trib built?

It was built in 2009, making it 16 years old in 2025.

What condition is TR 47 over Spring Branch Trib 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 April 2023.

How much traffic does TR 47 over Spring Branch Trib carry?

About 25 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is TR 47 over Spring Branch Trib?

The structure is 45 ft (13.6 m) long with a longest span of 41 ft (12.6 m) and a deck 28 ft wide.

Who owns TR 47 over Spring Branch Trib?

It is owned by the Town or Township Highway Agency.