US Bridges

TR 770 over Branch Coal Creek

Fair

Fulton County, Illinois · S.CTR-25-T8NR2E · Structure no. 029500800000000

Built
1955
70 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 770 over Branch Coal Creek is a concrete continuous culvert carrying TR 770 over Branch Coal Creek in Fulton County, Illinois. It was built in 1955, so it is 70 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.

It carries about 75 vehicles a day, projected to reach 76 by 2046. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 770
CrossesBranch Coal Creek
LocationS.CTR-25-T8NR2E
RouteCounty Highway 0
Coordinates40.64133, -90.22416
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
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 770 over Branch Coal Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is TR 770 over Branch Coal 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 November 2023.

How much traffic does TR 770 over Branch Coal Creek carry?

About 75 vehicles per day (2020 count).

How long is TR 770 over Branch Coal Creek?

The structure is 27 ft (8.3 m) long with a longest span of 13 ft (4 m).

Who owns TR 770 over Branch Coal Creek?

It is owned by the Town or Township Highway Agency.