US Bridges

Northern Trail over Branch of Mason Creek

FairPosted for load

Williamson County, Texas · 0.02 MI NW of Eagles Way · Structure no. 142460H02772001

Built
1980
45 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
560
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Northern Trail over Branch of Mason Creek is a concrete culvert carrying Northern Trail over Branch of Mason Creek in Williamson County, Texas. It was built in 1980, so it is 45 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 560 vehicles a day, projected to reach 1,000 by 2030. The structure is 24 ft (7.3 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNorthern Trail
CrossesBranch of Mason Creek
Location0.02 MI NW of Eagles Way
RouteCity Street 0
CountyWilliamson County
StateTexas
Coordinates30.56624, -97.86124
Functional classUrban Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width49 ft (14.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2010)
Projected traffic1,000 by 2030
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Northern Trail over Branch of Mason Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Northern Trail over Branch of Mason 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 November 2023.

How much traffic does Northern Trail over Branch of Mason Creek carry?

About 560 vehicles per day (2010 count).

How long is Northern Trail over Branch of Mason Creek?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m) and a deck 49 ft wide.

Who owns Northern Trail over Branch of Mason Creek?

It is owned by the City or Municipal Highway Agency.