US Bridges

Nfa A153 over Island Creek

PoorPosted for load

Morgan County, Tennessee · Catoosa Wma · Structure no. 650A1530005

Built
1953
72 years old
Condition
Poor
inspected May 2023
Type
Culvert
Steel
Length
31 ft
5 main spans
Daily traffic
100
2020 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Nfa A153 over Island Creek is a steel culvert carrying Nfa A153 over Island Creek in Morgan County, Tennessee. It was built in 1953, so it is 72 years old, older than the Tennessee average of 47.4 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2041. The structure is 31 ft (9.4 m) long and 14 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesNfa A153
CrossesIsland Creek
LocationCatoosa Wma
RouteCounty Highway 153
CountyMorgan County
StateTennessee
Coordinates36.02998, -84.72052
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadH 15
Structure length31 ft (9.4 m)
Longest span5 ft (1.5 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$418,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A153 over Island Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Nfa A153 over Island Creek 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 May 2023.

How much traffic does Nfa A153 over Island Creek carry?

About 100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A153 over Island Creek?

The structure is 31 ft (9.4 m) long with a longest span of 5 ft (1.5 m) and a deck 14 ft wide.

Who owns Nfa A153 over Island Creek?

It is owned by the State Park, Forest, or Reservation Agency and maintained by the State Highway Agency.