US Bridges

SR73 over Mill Creek

Good

Jackson County, Florida · 0.25MI N of Calhoun CO LN · Structure no. 530166

Built
1998
27 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
47 ft
4 main spans
Daily traffic
2,100
2022 count
Owner
State
State Highway Agency

About this bridge

SR73 over Mill Creek is a concrete culvert carrying SR73 over Mill Creek in Jackson County, Florida. It was built in 1998, so it is 27 years old, younger than the Florida average of 41.3 years.

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

It carries about 2,100 vehicles a day, roughly 20% of them trucks, projected to reach 3,644 by 2044. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSR73
CrossesMill Creek
Location0.25MI N of Calhoun CO LN
RouteState Highway 73
StateFlorida
Coordinates30.56833, -85.18333
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2022)
Projected traffic3,644 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

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 SR73 over Mill Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR73 over Mill 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 March 2024.

How much traffic does SR73 over Mill Creek carry?

About 2,100 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is SR73 over Mill Creek?

The structure is 47 ft (14.3 m) long with a longest span of 10 ft (3 m).

Who owns SR73 over Mill Creek?

It is owned by the State Highway Agency.