US Bridges

N Mill ST over Prairie Creek

Fair

Denton County, Texas · 0.80 MI N of FM 1171 · Structure no. 180610C00740004

Built
1974
51 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
92 ft
6 main spans
Daily traffic
4,100
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Mill ST over Prairie Creek is a concrete culvert carrying N Mill ST over Prairie Creek in Denton County, Texas. It was built in 1974, so it is 51 years old, older than the Texas average of 44.4 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 4,100 vehicles a day, projected to reach 8,000 by 2037. The structure is 92 ft (28 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN Mill ST
CrossesPrairie Creek
Location0.80 MI N of FM 1171
RouteCity Street 0
CountyDenton County
StateTexas
Coordinates33.05299, -96.99671
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadUnknown
Structure length92 ft (28 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 traffic4,100 (2017)
Projected traffic8,000 by 2037
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Mill ST over Prairie Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is N Mill ST over Prairie Creek 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 December 2022.

How much traffic does N Mill ST over Prairie Creek carry?

About 4,100 vehicles per day (2017 count).

How long is N Mill ST over Prairie Creek?

The structure is 92 ft (28 m) long with a longest span of 10 ft (3 m).

Who owns N Mill ST over Prairie Creek?

It is owned by the City or Municipal Highway Agency.