US Bridges

TR 310 over Br Covel Creek

Fair

LaSalle County, Illinois · E 18th N2190 · Structure no. 050345500000000

Built
1979
46 years old
Condition
Fair
inspected June 2024
Type
Channel Beam
Concrete
Length
37 ft
1 main span
Daily traffic
100
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 310 over Br Covel Creek is a concrete channel beam carrying TR 310 over Br Covel Creek in LaSalle County, Illinois. It was built in 1979, so it is 46 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 100 vehicles a day, projected to reach 101 by 2046. The structure is 37 ft (11.3 m) long and 23 ft wide.

Location

Open in Google Maps
CarriesTR 310
CrossesBr Covel Creek
LocationE 18th N2190
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.23588, -88.81687
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2016)
Projected traffic101 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 310 over Br Covel Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is TR 310 over Br Covel Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does TR 310 over Br Covel Creek carry?

About 100 vehicles per day (2016 count).

How long is TR 310 over Br Covel Creek?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 23 ft wide.

Who owns TR 310 over Br Covel Creek?

It is owned by the Town or Township Highway Agency.