US Bridges

TR 551 over Bnrr

GoodPosted for load

Williamson County, Illinois · 0.6M W of Ill 37 · Structure no. 100991400000000

Built
1900
125 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
104 ft
7 main spans
Daily traffic
25
2021 count
Owner
Railroad
Railroad

About this bridge

TR 551 over Bnrr is a wood or timber stringer/multi-beam or girder carrying TR 551 over Bnrr in Williamson County, Illinois. It was built in 1900, so it is 125 years old, older 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 8% of them trucks, projected to reach 25 by 2046. The structure is 104 ft (31.7 m) long and 21 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesTR 551
CrossesBnrr
Location0.6M W of Ill 37
RouteCounty Highway 0
CountyWilliamson County
StateIllinois
Coordinates37.66239, -88.95847
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating30 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadUnknown
Structure length104 ft (31.7 m)
Longest span22 ft (6.7 m)
Deck width21 ft (6.5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic25 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 551 over Bnrr built?

It was built in 1900, making it 125 years old in 2025.

What condition is TR 551 over Bnrr 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 February 2023.

How much traffic does TR 551 over Bnrr carry?

About 25 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is TR 551 over Bnrr?

The structure is 104 ft (31.7 m) long with a longest span of 22 ft (6.7 m) and a deck 21 ft wide.

Who owns TR 551 over Bnrr?

It is owned by the Railroad.