US Bridges

US 377 over N Fork Big Mineral Creek

Fair

Grayson County, Texas · 1.1 MI N of US 82 · Structure no. 010920008110066

Built
1962
63 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
102 ft
4 main spans
Daily traffic
8,529
2020 count
Owner
State
State Highway Agency

About this bridge

US 377 over N Fork Big Mineral Creek is a concrete slab carrying US 377 over N Fork Big Mineral Creek in Grayson County, Texas. It was built in 1962, so it is 63 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 8,529 vehicles a day, roughly 16% of them trucks, projected to reach 10,840 by 2033. The structure is 102 ft (31.1 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 377
CrossesN Fork Big Mineral Creek
Location1.1 MI N of US 82
RouteU.S. Route 377
CountyGrayson County
StateTexas
Coordinates33.68729, -96.90566
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
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 rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length102 ft (31.1 m)
Longest span26 ft (7.9 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,529 (2020)
Projected traffic10,840 by 2033
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 377 over N Fork Big Mineral Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 377 over N Fork Big Mineral 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 April 2023.

How much traffic does US 377 over N Fork Big Mineral Creek carry?

About 8,529 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is US 377 over N Fork Big Mineral Creek?

The structure is 102 ft (31.1 m) long with a longest span of 26 ft (7.9 m) and a deck 44 ft wide.

Who owns US 377 over N Fork Big Mineral Creek?

It is owned by the State Highway Agency.