US Bridges

Nfa 1236 over NFA1236 / I81 Ll

Fair

Greene County, Tennessee · Near Baileytown · Structure no. 30I00810046

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
194 ft
3 main spans
Daily traffic
850
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 1236 over NFA1236 / I81 Ll is a concrete continuous box beam or girders - multiple carrying Nfa 1236 over NFA1236 / I81 Ll in Greene County, Tennessee. It was built in 1972, so it is 53 years old, older than the Tennessee average of 47.4 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 850 vehicles a day, roughly 3% of them trucks, projected to reach 1,504 by 2041. The structure is 194 ft (59.1 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa 1236
CrossesNFA1236 / I81 Ll
LocationNear Baileytown
RouteState Highway 1236
CountyGreene County
StateTennessee
Coordinates36.3236, -82.83313
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length194 ft (59.1 m)
Longest span68 ft (20.7 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2021)
Projected traffic1,504 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 1236 over NFA1236 / I81 Ll built?

It was built in 1972, making it 53 years old in 2025.

What condition is Nfa 1236 over NFA1236 / I81 Ll 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 July 2024.

How much traffic does Nfa 1236 over NFA1236 / I81 Ll carry?

About 850 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1236 over NFA1236 / I81 Ll?

The structure is 194 ft (59.1 m) long with a longest span of 68 ft (20.7 m) and a deck 51 ft wide.

Who owns Nfa 1236 over NFA1236 / I81 Ll?

It is owned by the State Highway Agency.