US Bridges

TR 310 over Buck Branch Tributar

Poor

Pike County, Illinois · 2 MI SW Nebo · Structure no. 075500700000000

Built
1948
77 years old
Condition
Poor
inspected April 2024
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 310 over Buck Branch Tributar is a concrete continuous culvert carrying TR 310 over Buck Branch Tributar in Pike County, Illinois. It was built in 1948, so it is 77 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 50 vehicles a day, projected to reach 58 by 2046. The structure is 36 ft (11 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 310
CrossesBuck Branch Tributar
Location2 MI SW Nebo
RouteCounty Highway 0
CountyPike County
StateIllinois
Coordinates39.41947, -90.79351
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic58 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$47,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 310 over Buck Branch Tributar built?

It was built in 1948, making it 77 years old in 2025.

What condition is TR 310 over Buck Branch Tributar in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does TR 310 over Buck Branch Tributar carry?

About 50 vehicles per day (2023 count).

How long is TR 310 over Buck Branch Tributar?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 23 ft wide.

Who owns TR 310 over Buck Branch Tributar?

It is owned by the Town or Township Highway Agency.