US Bridges

Nfa C548 over First Creek

Good

Knox County, Tennessee · N of I40-E of Broadway · Structure no. 470C5480001

Built
2018
7 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
1,700
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa C548 over First Creek is a prestressed concrete box beam or girders - multiple carrying Nfa C548 over First Creek in Knox County, Tennessee. It was built in 2018, so it is 7 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,700 vehicles a day, roughly 2% of them trucks, projected to reach 2,720 by 2040. The structure is 55 ft (16.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa C548
CrossesFirst Creek
LocationN of I40-E of Broadway
RouteCity Street 548
Coordinates35.98852, -83.9154
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span50 ft (15.2 m)
Deck width50 ft (15.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic2,720 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$695,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C548 over First Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Nfa C548 over First Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Nfa C548 over First Creek carry?

About 1,700 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C548 over First Creek?

The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.2 m) and a deck 50 ft wide.

Who owns Nfa C548 over First Creek?

It is owned by the City or Municipal Highway Agency.