US Bridges

US 136 over Graham Branch

Fair

Fulton County, Illinois · 2 MI E JCT US136&24 · Structure no. 029006300000000

Built
2000
25 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

US 136 over Graham Branch is a steel stringer/multi-beam or girder carrying US 136 over Graham Branch in Fulton County, Illinois. It was built in 2000, so it is 25 years old, younger 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 6 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 1,700 vehicles a day, roughly 32% of them trucks, projected to reach 1,768 by 2046. The structure is 68 ft (20.8 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 136
CrossesGraham Branch
Location2 MI E JCT US136&24
RouteU.S. Route 136
Coordinates40.30688, -90.1515
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length68 ft (20.8 m)
Longest span66 ft (20 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic1,768 by 2046
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 136 over Graham Branch built?

It was built in 2000, making it 25 years old in 2025.

What condition is US 136 over Graham Branch 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 September 2022.

How much traffic does US 136 over Graham Branch carry?

About 1,700 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is US 136 over Graham Branch?

The structure is 68 ft (20.8 m) long with a longest span of 66 ft (20 m) and a deck 35 ft wide.

Who owns US 136 over Graham Branch?

It is owned by the State Highway Agency.