US Bridges

Nfa 1145 over Georgetown Pike / I75

Fair

Hamilton County, Tennessee · 1 MI from Blane Rd. · Structure no. 33I00750069

Built
1962
63 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
249 ft
4 main spans
Daily traffic
8,884
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 1145 over Georgetown Pike / I75 is a concrete continuous tee beam carrying Nfa 1145 over Georgetown Pike / I75 in Hamilton County, Tennessee. It was built in 1962, so it is 63 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 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 8,884 vehicles a day, roughly 4% of them trucks, projected to reach 14,214 by 2042. The structure is 249 ft (75.9 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1145
CrossesGeorgetown Pike / I75
Location1 MI from Blane Rd.
RouteCounty Highway 1145
CountyHamilton County
StateTennessee
Coordinates35.11797, -85.04594
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length249 ft (75.9 m)
Longest span69 ft (21 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,884 (2021)
Projected traffic14,214 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 1145 over Georgetown Pike / I75 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Nfa 1145 over Georgetown Pike / I75 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 1145 over Georgetown Pike / I75 carry?

About 8,884 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 1145 over Georgetown Pike / I75?

The structure is 249 ft (75.9 m) long with a longest span of 69 ft (21 m) and a deck 34 ft wide.

Who owns Nfa 1145 over Georgetown Pike / I75?

It is owned by the State Highway Agency.