US Bridges

TR 310 over Br Covel Creek

Good

LaSalle County, Illinois · E 18th N 2330 · Structure no. 050317400000000

Built
1930
95 years old, rebuilt 1981
Condition
Good
inspected June 2024
Type
Channel Beam
Concrete
Length
30 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 1930 and reconstructed in 1981, so it is 95 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.

It carries about 100 vehicles a day, projected to reach 101 by 2046. The structure is 30 ft (9.1 m) long and 23 ft wide.

CarriesTR 310
CrossesBr Covel Creek
LocationE 18th N 2330
RouteCounty Highway 0
Coordinates41.27055, -88.81691
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 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 1930, making it 95 years old in 2025. It was reconstructed in 1981.

What condition is TR 310 over Br Covel Creek 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 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 30 ft (9.1 m) long with a longest span of 29 ft (8.8 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.