US Bridges

FM 1515 over Corbin Branch

Fair

Denton County, Texas · 0.90 MI W of IH 35W · Structure no. 180610195101002

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
33 ft
5 main spans
Daily traffic
12,917
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1515 over Corbin Branch is a concrete culvert carrying FM 1515 over Corbin Branch in Denton County, Texas. It was built in 1954, so it is 71 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 12,917 vehicles a day, roughly 14% of them trucks, projected to reach 17,500 by 2033. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 1515
CrossesCorbin Branch
Location0.90 MI W of IH 35W
RouteState Highway 1515
StateTexas
Coordinates33.20425, -97.17152
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length33 ft (10.1 m)
Longest span6 ft (1.8 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,917 (2023)
Projected traffic17,500 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1515 over Corbin Branch built?

It was built in 1954, making it 71 years old in 2025.

What condition is FM 1515 over Corbin Branch 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 October 2023.

How much traffic does FM 1515 over Corbin Branch carry?

About 12,917 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is FM 1515 over Corbin Branch?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m) and a deck 33 ft wide.

Who owns FM 1515 over Corbin Branch?

It is owned by the State Highway Agency.