US Bridges

TR 129 over Un-Named Trib. Crow

Good

Marshall County, Illinois · Sec 29 T29N R1W · Structure no. 062476500000000

Built
2014
11 years old
Condition
Good
inspected September 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 129 over Un-Named Trib. Crow is a prestressed concrete box beam or girders - multiple carrying TR 129 over Un-Named Trib. Crow in Marshall County, Illinois. It was built in 2014, so it is 11 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, projected to reach 25 by 2046. The structure is 60 ft (18.4 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesTR 129
CrossesUn-Named Trib. Crow
LocationSec 29 T29N R1W
RouteCounty Highway 0
CountyMarshall County
StateIllinois
Coordinates40.94699, -89.25577
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 2021
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.4 m)
Longest span58 ft (17.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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 129 over Un-Named Trib. Crow built?

It was built in 2014, making it 11 years old in 2025.

What condition is TR 129 over Un-Named Trib. Crow 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 2021.

How much traffic does TR 129 over Un-Named Trib. Crow carry?

About 25 vehicles per day (2024 count).

How long is TR 129 over Un-Named Trib. Crow?

The structure is 60 ft (18.4 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.

Who owns TR 129 over Un-Named Trib. Crow?

It is owned by the Town or Township Highway Agency.