US Bridges

NE 21st Street over Little Montocha Creek

Good

Alachua County, Florida · 1.8 MI N of NW 156th Ave · Structure no. 264878

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
101
2023 count
Owner
County
County Highway Agency

About this bridge

NE 21st Street over Little Montocha Creek is a concrete culvert carrying NE 21st Street over Little Montocha Creek in Alachua County, Florida. It was built in 2019, so it is 6 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 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 101 vehicles a day, roughly 10% of them trucks, projected to reach 175 by 2042. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNE 21st Street
CrossesLittle Montocha Creek
Location1.8 MI N of NW 156th Ave
RouteCounty Highway 0
StateFlorida
Coordinates29.82306, -82.30222
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.5 US tons
Inventory rating41.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2023)
Projected traffic175 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 NE 21st Street over Little Montocha Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is NE 21st Street over Little Montocha 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 2023.

How much traffic does NE 21st Street over Little Montocha Creek carry?

About 101 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NE 21st Street over Little Montocha Creek?

The structure is 42 ft (12.8 m) long with a longest span of 12 ft (3.7 m).

Who owns NE 21st Street over Little Montocha Creek?

It is owned by the County Highway Agency.