US Bridges

TR 29 over Trib W Fork Mazon Ri

Good

Livingston County, Illinois · 2700E 3000N · Structure no. 053417700000000

Built
2005
20 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
75
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 29 over Trib W Fork Mazon Ri is a prestressed concrete box beam or girders - multiple carrying TR 29 over Trib W Fork Mazon Ri in Livingston 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 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 41 ft (12.6 m) long and 27 ft wide.

CarriesTR 29
CrossesTrib W Fork Mazon Ri
Location2700E 3000N
RouteCounty Highway 0
Coordinates41.06402, -88.51199
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 inspectionSeptember 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 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 width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic76 by 2046
Trucks0%
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 29 over Trib W Fork Mazon Ri built?

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

What condition is TR 29 over Trib W Fork Mazon Ri 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 September 2023.

How much traffic does TR 29 over Trib W Fork Mazon Ri carry?

About 75 vehicles per day (2023 count).

How long is TR 29 over Trib W Fork Mazon Ri?

The structure is 41 ft (12.6 m) long with a longest span of 41 ft (12.6 m) and a deck 27 ft wide.

Who owns TR 29 over Trib W Fork Mazon Ri?

It is owned by the Town or Township Highway Agency.