US Bridges

FM 1798 over Mill Creek

Fair

Rusk County, Texas · 3.0 MI W of US 259 · Structure no. 102010166903007

Built
1962
63 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
58 ft
6 main spans
Daily traffic
186
2021 count
Owner
State
State Highway Agency

About this bridge

FM 1798 over Mill Creek is a concrete culvert carrying FM 1798 over Mill Creek in Rusk 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 186 vehicles a day, roughly 23% of them trucks, projected to reach 260 by 2041. The structure is 58 ft (17.7 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM 1798
CrossesMill Creek
Location3.0 MI W of US 259
RouteState Highway 1798
StateTexas
Coordinates31.9897, -94.76079
Functional classRural Major Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span9 ft (2.7 m)
Deck width41 ft (12.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186 (2021)
Projected traffic260 by 2041
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1798 over Mill Creek built?

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

What condition is FM 1798 over Mill 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 May 2023.

How much traffic does FM 1798 over Mill Creek carry?

About 186 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is FM 1798 over Mill Creek?

The structure is 58 ft (17.7 m) long with a longest span of 9 ft (2.7 m) and a deck 41 ft wide.

Who owns FM 1798 over Mill Creek?

It is owned by the State Highway Agency.